Exhibit 3.18

                                     BYLAWS

                                       OF

                              EVERCOM SYSTEMS, INC.

                                    ARTICLE I

                                     OFFICES

     SECTION 1. PRINCIPAL OFFICE. The principal office of the Corporation shall
be in the County of Dallas, State of Texas.

     SECTION 2. OTHER OFFICES. The Corporation also may have offices at such
other places both within and without the State of Delaware as the Board of
Directors may from time to time determine or the business of the Corporation may
require.

                                   ARTICLE II

                                  SHAREHOLDERS

     SECTION 1. TIME AND PLACE OF MEETING. Meetings of the shareholders shall be
held at such times and at such places, within or without the State of Delaware,
as shall be determined by the Board of Directors.

     SECTION 2. ANNUAL MEETINGS. Annual meetings of shareholders shall be held
on the second Friday of the first month of each fiscal year if not a legal
holiday, and if a legal holiday, then on the next secular day following at 10:00
A.M., at which they shall elect a Board of Directors, and transact such other
business as may properly be brought before the meeting. The date of the annual
meeting of the shareholders may be held on a date different than that given
above if the Board so determines, and so states in the notice of the meeting or
in a duly executed waiver thereof.

     SECTION 3. SPECIAL MEETINGS. Special meetings of the shareholders may be
called at any time by the President or the Board of Directors, and shall be
called by the President or the Secretary at the request in writing of a majority
of the Board of Directors, or at the request in writing of the holders of not
less than 40% of all the shares issued, outstanding and entitled to vote at the
meeting. Such request shall state the purpose or purposes of the proposed
meeting. Business transacted at special


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meetings shall be confined to the purposes stated in the notice of the meeting.

     SECTION 4. NOTICE. Written or printed notice stating the place, day and
hour of any shareholders' meeting and, in the case of a special meeting, the
purpose or purposes for which the meeting is called, shall be delivered not less
than 10 nor more than 50 days before the date of the meeting, either personally
or by mail, by or at the direction of the President, the Secretary or the
officer or person calling the meeting, to each shareholder of record entitled to
vote at such meeting. If mailed, such notice shall be deemed to be delivered
when deposited in the United States mail, postage prepaid, to the shareholder at
his address as it appears on the stock transfer books of the Corporation.

     SECTION 5. CLOSING OF STOCK TRANSFER BOOKS AND FIXING RECORD DATE. For the
purpose of determining shareholders entitled to notice of or to vote at any
meeting of shareholders or any adjournment thereof, or entitled to receive
payment of any dividend, or in order to make a determination of shareholders for
any other proper purpose, the Board of Directors of the Corporation may provide
that the stock transfer books shall be closed for a stated period but not to
exceed, in any case, 50 days. If the stock transfer books shall be closed for
the purpose of determining shareholders, such books shall be closed for at least
10 days immediately preceding such meeting. In lieu of closing the stock
transfer books, the Board of Directors may fix in advance a date as the record
date for any such determination of shareholders, such date in any case to be not
more than 50 days and, in case of a meeting of stockholders, not less than 10
days prior to the date on which the particular action requiring such
determination of shareholders is to be taken. If the stock transfer books are
not closed and no record date is fixed for the determination of shareholders
entitled to notice of or to vote at a meeting of shareholders, or shareholders
entitled to receive payment of a dividend, the date on which notice of the
meeting is mailed or the date on which the resolution of the Board of Directors
declaring such dividend is adopted, as the case may be, shall be the record date
for such determination of shareholders. When a determination of shareholders
entitled to vote at any meeting of shareholders has been made as provided in
this Section, such determination shall apply to any adjournment thereof except
where the determination has been made through the closing of stock transfer
books and the stated period of closing has expired.

     SECTION 6. LIST OF SHAREHOLDERS. The officer or agent of the Corporation
having charge of the stock transfer books for shares of the Corporation shall
make, at least 10 days before


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each meeting of the shareholders, a complete list of the shareholders entitled
to vote at such meeting or any adjournment thereof, arranged in alphabetical
order, with the address of and the number of voting shares held by each, which
list, for a period of 10 days prior to such meeting, shall be kept on file at
the registered office of the Corporation and shall be subject to inspection by
any shareholder at any time during the usual business hours. Such list shall
also be produced and kept open at the time and place of the meeting and shall be
subject to the inspection of any shareholder during the whole time of the
meeting. The original stock transfer books shall be prima facie evidence as to
who are the shareholders entitled to examine such list of transfer books or to
vote at any meetings of shareholders.

     SECTION 7. QUORUM. The holders of a majority of the issued and outstanding
shares and entitled to vote thereat, present in person or represented by proxy,
shall constitute a quorum at all meetings of the shareholders for the
transaction of business except as otherwise provided by the Articles of
Incorporation or by the General Corporation Law of the State of Delaware (herein
called the "Act"). If, however, such quorum shall not be present or represented
at any meeting of the shareholders, the shareholders entitled to vote, present
in person or represented by proxy, shall have power to adjourn the meeting from
time to time, without notice other than announcement at the meeting, until a
quorum shall be present or represented. At such adjourned meeting at which a
quorum shall be present or represented, any business may be transacted which
might have been transacted at the meeting as originally notified. Once a quorum
is constituted, the shareholders present or represented by proxy at a meeting
may continue to transact business until adjournment, notwithstanding the
subsequent withdrawal therefrom of such number of shareholders as to leave less
than a quorum.

     SECTION 8. VOTING. When a quorum is present at any meeting, the vote of the
holders of a majority of the shares present or represented by proxy at such
meeting and entitled to vote shall be the act of the shareholders.

     Each shareholder shall at every meeting of the shareholders be entitled to
one vote in person or by proxy for each share having voting power held by such
shareholder, except to the extent that the voting rights of the shares of any
class or classes are limited or denied by the Articles of Incorporation. At each
election for directors every shareholder shall be entitled to vote, in person or
by proxy, the number of shares owned by him for as many persons as there are
directors to be elected and for whose election he has a right to vote.
Cumulative voting is prohibited by the Articles of Incorporation.


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Every proxy must be executed in writing by the shareholder or by his duly
authorized attorney-in-fact. No proxy shall be valid after eleven months from
the date of its execution unless otherwise provided therein. Each proxy shall be
revocable unless expressly provided therein to be irrevocable or unless
otherwise made irrevocable by law.

     Shares registered in the name of another corporation may be voted by such
officer, agent, or proxy as the Bylaws of such corporation may prescribe or, in
the absence of such provisions, as the Board of Directors of such corporation
may determine.

     Shares held by an administrator, executor, guardian, or conservator may be
voted by him, either in person or by proxy, without a transfer of such shares
into his name. Shares standing in the name of a trustee may be voted by him,
either in person or by proxy, but no trustee shall be entitled to vote shares
held by him without a transfer of such shares into his name as trustee.

     Shares standing in the name of a receiver may be voted by such receiver,
and shares held by or under the control of a receiver may be voted by such
receiver without being transferred into his name, if such authority is contained
in an appropriate order of the court that appointed the receiver.

     A shareholder whose shares are pledged shall be entitled to vote such
shares until the shares have been transferred into the name of the pledgee, and
thereafter the pledgee shall be entitled to vote the shares so transferred.

     Shares of its own stock belonging to the Corporation or held by it in a
fiduciary capacity shall not be voted, directly or indirectly, at any meeting,
and shall not be counted in determining the total number of outstanding shares
at any given time.

     SECTION 9. ACTION BY UNANIMOUS CONSENT. Any action required to be taken at
a meeting of the shareholders may be taken without a meeting if a consent in
writing, setting forth the action so taken, shall be signed by all of the
shareholders entitled to vote with respect to the subject matter thereof. Any
and all parties dealing with the Corporation shall be entitled to rely on a copy
or facsimile of any such written consent rather than an original thereof.

     SECTION 10. PRESENCE AT MEETINGS BY MEANS OF COMMUNICATION EQUIPMENT.
Shareholders may participate in and hold a meeting of such shareholders by means
of conference telephone or similar communications equipment by means of which
all persons participating in the meeting can hear each other, and


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participation in a meeting pursuant to this Section shall constitute presence in
person at such meeting, except where a person participates in the meeting for
the express purpose of objecting to the transaction of any business on the
ground that the meeting is not lawfully called or convened.

                                   ARTICLE III

                                    DIRECTORS

     SECTION 1. NUMBER OF DIRECTORS. The number of directors of the Corporation
shall be fixed from time to time by resolution of the Board of Directors, but in
no case shall the number of directors be less than 1 or more than 9. Until
otherwise fixed by resolution of the Board of Directors, the number of directors
shall be as stated in the Articles of Incorporation of the Corporation. No
decrease in the number of directors shall have the effect of reducing the term
of any incumbent director. Directors shall be elected at the annual meeting of
the shareholders, except as provided in Section 2 of this Article III, and each
director shall hold office until (i) his successor is elected and qualified,
(ii) he dies, (iii) he resigns, or (iv) he is removed. Directors need not be
residents of the State of Delaware or shareholders of the Corporation.

     SECTION 2. VACANCIES. Subject to other provisions of this Section, any
vacancy occurring in the Board of Directors may be fixed by the affirmative vote
of a majority of the remaining directors, though the remaining directors may
constitute less than a quorum of the Board of Directors as fixed by Section 10
of this Article III. A director elected to fill a vacancy shall be elected for
the unexpired term of his predecessor in office. Any directorship to be filled
by reason of an increase in the number of directors shall be filled by unanimous
vote of the existing directors. Shareholders holding a majority of the issued
and outstanding shares entitled to vote may, at any time, terminate the term of
office of all or any of the directors, with or without cause, by a vote at any
annual or special meeting, or by written statement, signed by the holders of all
of such shares, and filed with the Secretary or, in his absence, with any other
officer. Such removal shall be effective immediately upon such shareholder
action even if successors are not elected simultaneously, and the vacancies on
the Board of Directors caused by such action shall be filled only by election by
the shareholders.

     SECTION 3. GENERAL POWERS. The business of the Corporation shall be managed
by its Board of Directors, which may exercise


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all powers of the Corporation and do all such lawful acts and things, as are not
by the Act, the Articles of Incorporation or these Bylaws directed or required
to be exercised or done by the shareholders.

     SECTION 4. PLACE OF MEETINGS. The Board of Directors of the Corporation may
hold meetings, both regular and special, either within or without the State of
Delaware.

     SECTION 5. ANNUAL MEETINGS. The first meeting of each newly elected Board
of Directors shall be held, without further notice, immediately following the
annual meeting of shareholders at which such directors were elected, provided a
quorum shall be present. In the event such meeting is not held immediately
following the annual meeting, the meeting may be held at such time and place as
shall be specified in a notice given as hereinafter provided for special
meetings of the Board of Directors, or as shall be specified in a written waiver
of notice signed by all of the directors.

     SECTION 6. REGULAR MEETINGS. Regular meetings of the Board of Directors
shall be held without special notice at such time and at such place as shall
from time to time be determined by the Board of Directors.

     SECTION 7. SPECIAL MEETINGS. Special meetings of the Board of Directors may
be called by or at the request of the Chairman of the Board of Directors or the
President, and shall be called by the Secretary on the written request of a
majority of the incumbent directors. The person or persons authorized to call
special meetings of the Board of Directors may fix the place for holding any
special meeting of the Board of Directors called by them.

     SECTION 8. NOTICE OF SPECIAL MEETINGS. Notice of any special meetings shall
be given at least 48 hours previous thereto if given either personally
(including written notice delivered personally or telephone notice) or by
telegram, and at least 120 hours previous thereto if given by written notice
mailed to each director at the address of his business or residence. If mailed,
the notice shall be deemed to be delivered when deposited in the United States
mail addressed in the above-specified manner, with postage thereon prepaid. If
notice be given by telegram, such notice shall be deemed to be delivered when
the telegram is delivered to the telegraph company. Neither the business to be
transacted at, nor the purpose of, any regular or special meeting of the Board
of Directors need be specified in the notice or waiver of notice of such
meeting.


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     SECTION 9. WAIVER OF NOTICE. Any director may waive notice of any meeting,
as provided in Article IV, Section 2, of these Bylaws. The attendance of a
director at a meeting shall constitute a waiver of notice of such meeting,
except where a director attends a meeting for the express purpose of objecting
to the transaction of any business because the meeting is not lawfully called or
convened.

     SECTION 10. QUORUM AND VOTING. At all meetings of the Board of Directors,
the presence of a majority of the number of directors fixed by Article III,
Section 1, of these Bylaws shall be necessary and sufficient to constitute a
quorum for the transaction of business, and the affirmative vote of at least a
majority of the directors present at any meeting at which there is a quorum
shall be the act of the Board of Directors, except as may be otherwise
specifically provided by the Act, the Articles of Incorporation or these Bylaws.
If a quorum shall not be present at any meeting of directors, a majority of the
directors present thereat may adjourn the meeting from time to time without
notice other than announcement at the meeting, until a quorum shall be present.

     SECTION 11. CHAIRMAN OF THE BOARD. The Board of Directors may elect a
Chairman of the Board at each annual meeting of the Board of Directors. The
Chairman of the Board shall be a director of the Corporation and shall hold
office until the annual meeting of the Board of Directors following his election
or until his successor is elected and qualified. The Chairman of the Board shall
preside at all meetings of the Board of Directors, and, in the absence of the
President, at all meetings of the shareholders.

     SECTION 12. COMMITTEES. The Board of Directors by resolution passed by a
majority of the whole Board may designate an Executive Committee, to consist of
two or more directors, one of whom shall be designated as Chairman, who shall
preside at all meetings of such Committee. At any meeting of the Committee a
majority of the members of the Committee shall constitute a quorum for the
transaction of business, and the act of a majority of the members present at any
meeting at which a quorum is present shall be the act of the Committee. To the
extent provided in the resolution of the Board of Directors, the Executive
Committee shall have and may exercise all of the authority of the Board of
Directors, and shall have power to authorize the seal of the Corporation to be
affixed to all papers which may require it. The designation of such Executive
Committee and the delegation thereto of authority shall not operate to relieve
the Board of Directors, or any member thereof, of any responsibility imposed
upon it or him by law. Meetings of the Executive Committee may be called and
notices given in the


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same manner as calling and giving notice of special meetings of the Board of
Directors. Any member of the Executive Committee may be removed, for or without
cause, by the affirmative vote of a majority of the whole Board of Directors. If
any vacancy or vacancies occur in the Executive Committee, such vacancy or
vacancies shall be filled by the affirmative vote of a majority of the whole
Board of Directors.

     The Board of Directors by resolution passed by a majority of the whole
Board may designate other committees, each committee to consist of two or more
directors, one of whom shall be designated as Chairman and shall preside at all
meetings of such committee, which committees shall have such power and authority
and shall perform such functions as may be provided in such resolution. At any
meeting of the committee a majority of the members of the committee shall
constitute a quorum for the transaction of business, and the act of a majority
of the members present at any meeting at which a quorum is present shall be the
act of the committee. Such committee or committees shall have such name or names
as may be designated by the Board of Directors.

     The Executive Committee and all other such committees shall keep regular
minutes of their proceedings and report the same to the Board of Directors when
required.

     SECTION 13. COMPENSATION OF DIRECTORS. Directors, as such, shall not
receive any stated salary for their services, but by resolution of the Board of
Directors, a fixed sum and expenses of attendance, if any, may be allowed for
attendance at each regular or special meeting of the Board of Directors. Nothing
herein contained shall be construed to preclude any director from serving the
Corporation in any other capacity and receiving compensation therefor. Members
of any committee may, by resolution of the Board of Directors, be allowed like
compensation for attending meetings.

     SECTION 14. ACTION BY UNANIMOUS CONSENT. Any action required or permitted
to be taken at any meeting of the Board of Directors or of a committee
designated by the Board of Directors may be taken without a meeting if a written
consent, setting forth the action so taken, is signed by all the members of the
Board of Directors or the committee, as the case may be, and such consent shall
have the same force and effect as a unanimous vote at a meeting. Any and all
parties dealing with the Corporation shall be entitled to rely on a copy or
facsimile of any such written consent rather than an original thereof.

     SECTION 15. PRESENCE AT MEETINGS BY MEANS OF COMMUNICATION EQUIPMENT.
Members of the Board of Directors of the Corporation or any committee designated
by the Board of Directors may


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participate in and hold a meeting of such board or committee by means of
conference telephone or similar communications equipment by means of which all
persons participating in the meeting can hear each other, and participation in a
meeting pursuant to this Section shall constitute presence in person at such
meeting, except where a person participates in the meeting for the express
purpose of objecting to the transaction of any business on the ground that the
meeting is not lawfully called or convened.

                                   ARTICLE IV

                                     NOTICES

     SECTION 1. FORM OF NOTICE. Whenever, under the provisions of the Act, the
Articles of Incorporation or these Bylaws, notice is required to be given to any
director or shareholder, and no provision is made as to how such notice shall be
given, such notice shall be given in writing, by mail, postage prepaid,
addressed to such director or shareholder at such address as appears on the
books of the Corporation, provided, that such notice as is required to be given
to any director also may be given either personally (including written notice
delivered personally or telephone notice) or by telegram. Any notice required or
permitted to be given by mail shall be deemed to be given at the time when the
same be thus deposited in the United States mail addressed in the
above-specified manner, with postage thereon prepaid.

     SECTION 2. WAIVER. Whenever any notice is required to be given to any
director or shareholder of the Corporation under the provisions of the Act, the
Articles of Incorporation or these Bylaws, a waiver thereof in writing signed by
the person or persons, entitled to such notice, whether before or after the time
stated in such notice, shall be equivalent to the giving of such notice.

                                    ARTICLE V

                                    OFFICERS

     SECTION 1. GENERAL. The elected officers of the Corporation shall be a
President, one or more Vice Presidents, with or without such descriptive titles
as the Board of Directors shall deem appropriate, a Secretary and a Treasurer.
The Board of Directors by resolution may also appoint one or more Assistant
Secretaries, Assistant Treasurers and such other officers and assistant officers
and agents as from time to time may appear to


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be necessary or advisable in the conduct of the affairs of the Corporation. Any
two or more offices may be held by the same person, and the offices of President
and Secretary may be held by the same person.

     SECTION 2. ELECTION. The Board of Directors at its first meeting after each
annual meeting of the shareholders shall elect and appoint the officers to fill
the positions designated in Section 1 of this Article V. The Board of Directors
may appoint such other officers and agents as it shall deem necessary and may
determine the salaries of all officers and agents from time to time. The
officers shall hold office until their successors are chosen and qualified. Any
officer elected or appointed by the Board of Directors may be removed, for or
without cause, at any time by a majority vote of the whole Board when in its
judgment the best interests of the Corporation will be served thereby, but such
removal shall be without prejudice to the contract rights, if any, of the person
so removed. Election or appointments of an officer or agent shall not of itself
create contract rights. Any vacancy occurring in any office of the Corporation
by death, resignation, removal or otherwise shall be filled by the Board of
Directors.

     SECTION 3. PRESIDENT. The President shall have the powers of chief
executive officer of the Corporation, and as chief executive officer shall have
general supervision of the affairs of the Corporation and shall have general and
active control of all of its business.

     The President shall preside at all meetings of the shareholders and Board
of Directors. He shall have authority to execute bonds, deeds, contracts in the
name of the Corporation and to affix the corporate seal thereto; to sign stock
certificates; to cause the employment or appointment of such employees and
agents of the Corporation as the proper conduct of operations may require, and
to fix their compensation, subject to the provisions of these Bylaws; to remove
or suspend any employee or agent who shall have been employed or appointed under
his authority or under authority of an officer subordinate to him; to suspend
for cause, pending final action by the authority which shall have supervisory
power over him, any officer subordinate to the President, and, in general, to
exercise all the powers usually appertaining to the office of President of a
corporation, except as otherwise provided in these Bylaws,

     SECTION 4. VICE PRESIDENTS. The Vice President or, if there be more than
one, the Vice Presidents, shall perform all such duties and services as shall be
assigned to or required of them from time to time by the Board of Directors, the
Executive Committee, and the President.


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     SECTION 5. SECRETARY AND ASSISTANT SECRETARIES. The Secretary shall attend
all meetings of the Board of Directors and all meetings of the shareholders and
record all proceedings of the meetings of the shareholders of the Corporation
and of the Board of Directors in a book to be kept for that purpose, and shall
perform like duties for the Executive Committee when required. The Secretary
shall give, or cause to be given, notice of all meetings of the shareholders and
meetings of the Board of Directors. The Secretary shall have charge of the seal
of the Corporation and have authority to affix the same to any instrument
requiring it, and when so affixed, it shall be attested by the Secretary's
signature or by the signature of the Treasurer or an Assistant Secretary or
Assistant Treasurer, which may be in facsimile. The Secretary shall keep and
account for all books, documents, papers and records of the Corporation except
those for which some other officer or agent is properly accountable. He shall
have authority to sign stock certificates, and shall generally perform all the
duties usually appertaining to the office of the Secretary of a corporation.

     Assistant Secretaries, in the order of their seniority, unless otherwise
determined by the Board of Directors, shall assist the Secretary, and in the
absence or disability of the Secretary, perform the duties and exercise the
powers of the Secretary. They shall perform such other duties and have such
other powers as the Board of Directors may prescribe from time to time.

     SECTION 6. TREASURER AND ASSISTANT TREASURERS. The Treasurer shall be the
chief financial officer of the Corporation and shall have active control of and
shall be responsible for all matters pertaining to the finances of the
Corporation. The Treasurer shall have the care and custody of all moneys, funds
and securities of the Corporation and shall deposit all moneys and other
valuable effects in the name of and to the credit of the Corporation in such
depositories as may be designated by the Board of Directors. The Treasurer shall
cause to be recorded a statement of all receipts and disbursements of the
Corporation in order that proper entries may be made in the books of account.
The Treasurer shall have the power to sign stock certificates, to endorse for
deposit or collection, or otherwise, all cheeks, drafts, notes, bills of
exchange or other commercial paper payable to the Corporation, and to give
proper receipts or discharges for all payments to the Corporation. He shall be
responsible for all terms of credit granted by the Corporation and for the
collection of all its accounts. If required by the Board of Directors, the
Treasurer shall give the Corporation a bond in such sum and with such surety or
sureties as shall be satisfactory to the Board of Directors for the faithful


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performance of the duties of his office and for the restoration to the
Corporation, in case of his death, resignation, retirement or removal from
office, of all books, papers, vouchers, money and other property or whatever
kind in his possession or under his control belonging to the Corporation.

     Assistant Treasurers, in the order of their seniority, unless otherwise
determined by the Board of Directors, shall assist the Treasurer, and in the
absence or disability of the Treasurer, perform the duties and exercise the
powers of the Treasurer. They shall perform such other duties and have such
other powers deemed necessary in order to assist the Treasurer, and in the
absence or disability of the Treasurer, perform the duties and exercise the
powers of the Treasurer. They shall perform such other duties and have such
other powers as the Board of Directors may prescribed from time to time.

     SECTION 7. BONDING. If required by the Board of Directors, all or certain
of the officers shall give the Corporation a bond in such form, in such sum and
with such surety or sureties as shall be satisfactory to the Board of Directors,
for the faithful performance of the duties of their office and for the
restoration to the Corporation, in case of their death, resignation, retirement
or removal from office, of all books, papers, vouchers, money and other property
of whatever kind in their possession or under their control belonging to the
Corporation.

                                   ARTICLE VI

                        CERTIFICATES REPRESENTING SHARES

     SECTION 1. FORM OF CERTIFICATES. The Corporation shall deliver certificates
representing all shares to which shareholders are entitled. Certificates
representing shares of the Corporation shall be in such form as shall be
determined by the Board of Directors and shall be numbered consecutively and
entered in the books of the Corporation as they are issued. Each certificate
shall state on the face thereof that the Corporation is organized under the laws
of the State of Delaware; the name of the registered holder; the number, class
of shares and the designation of the series, if any, which said certificate
represents; and either the par value of the shares or a statement that the
shares are without par value. Each certificate shall also set forth on the back
thereof, a full or summary statement of matters required by the Act or the
Articles of Incorporation to be described on certificates representing shares,
and shall contain a statement on the face thereof referring to the matters set
forth on the back thereof. Certificates shall be signed by the President or any
Vice President and the Secretary or any


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Assistant Secretary, and may be sealed with the seal of the Corporation or a
facsimile thereof. If any certificate is countersigned by a transfer agent or
registered by a registrar, either of which is other than the Corporation or an
employee of the Corporation, the signatures of the Corporation's officers may be
facsimiles. In case any officer or officers who have signed, or whose facsimile
signature or signatures have been used on such certificate or certificates,
shall cease to be such officer or officers of the Corporation, whether because
of death, resignation or otherwise, before such certificate or certificates have
been delivered by the Corporation or its agents, such certificate or
certificates may be adopted, nevertheless, by the Corporation and be issued and
delivered as though the person or persons who signed the certificate or
certificates or whose facsimile signature or signatures have been used thereon
had not ceased to be such officer or officers of the Corporation.

     SECTION 2. RESTRICTIONS ON TRANSFERABILITY OF SHARES. In the event any
restriction on the transfer, or registration of the transfer of shares, shall be
imposed or agreed to, by the Corporation, as permitted by law, each certificate
representing shares so restricted shall conspicuously set forth a full or
summary statement of the restriction on the face of the certificate, or shall
set forth such statement on the back of the certificate and conspicuously state
on the face or back of the certificate that such restriction exists pursuant to
a specified document and that the Corporation will furnish to the holder of the
certificate without charge upon written request to the Corporation at its
principal place of business or registered office a copy of the specified
document.

     SECTION 3. LOST CERTIFICATES. The Corporation may direct that a new
certificate or certificates be issued in place of any certificate or
certificates theretofore issued by the Corporation alleged to have been lost or
destroyed, upon the making of an affidavit of that fact by the person claiming
the certificate to be lost or destroyed. When authorizing the issuance of a new
certificate or certificates, the Board of Directors, in its discretion and as a
condition precedent to the issuance thereof, may require the owner of the lost
or destroyed certificate or certificates, or his legal representative, to
advertise the same in such manner as it shall require and give the Corporation a
bond in such form, in such sum, and with such surety or sureties as the
Corporation may direct as indemnity against any claim that may be made against
the Corporation with respect to the certificate alleged to have been lost or
destroyed.

     SECTION 4. TRANSFER OF SHARES. Shares of stock shall be transferable on the
books of the Corporation by the holder thereof in person or by his duly
authorized attorney. Subject to


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any restrictions on transfer set forth in the Articles of Incorporation of the
Corporation, these Bylaws or any agreement among shareholders to which the
Corporation is a party or has notice, upon surrender to the Corporation or to
the transfer agent of the Corporation of a certificate representing shares duly
endorsed or accompanied by proper evidence of succession, assignment or
authority to transfer, it shall be the duty of the Corporation or the transfer
agent of the Corporation to issue a new certificate to the person entitled
thereto, cancel the old certificate and record the transaction upon its books.

     SECTION 5. REGISTERED SHAREHOLDERS. The Corporation shall be entitled to
recognize the holder of record of any share or shares of stock as the holder in
fact thereof and, accordingly, shall not be bound to recognize any equitable or
other claim to or interest in such share or shares on the part of any other
person, whether or not it shall have express or other notice thereof, except as
otherwise provided by law.

                                   ARTICLE VII

                                 INDEMNIFICATION

     The Corporation shall indemnify any person (and the heirs, executors and
administrators of such person) who is or was a director or officer of the
Corporation, or of any other corporation and of which the Corporation directly
or indirectly is a shareholder or creditor or in which it is in any way
interested, against any and all liability and all expenses that may be incurred
by him in connection with or resulting from any claim, action, suit or
proceeding (whether brought by or in the right of the Corporation or otherwise),
civil or criminal, or in connection with an appeal relating thereto, in which he
may become involved as a party or otherwise by reason of being or having been
such a director or officer (whether or not a director or officer at the time
such liability and expense may be incurred) provided such person acted, in good
faith, in what he reasonably believed to be the best interests of the
Corporation or such other corporation, as the case may be, and in addition, in
any criminal action or proceeding, had no reasonable cause to believe that his
conduct was unlawful. The termination of any claim, action, suit or proceeding,
civil or criminal, by judgment, settlement (whether with or without court
approval) or conviction or upon a plea of guilty or nolo contenders, or its
equivalent, shall not create a presumption that a director, officer or employee
did not meet the standards of conduct set forth in this Article VII.


                         BYLAWS OF EVERCOM SYSTEMS, INC.
                                  Page 14 of 17

     The terms "liability" and "all expenses" shall include, but shall not be
limited to, legal fees and disbursements and amounts of judgments, fines or
penalties against, and amounts paid in settlement by, a director, officer or
employee. Any expenses incurred by a director, officer or employee with respect
to any claim, action, suit or proceeding of the character described above may be
advanced prior to the final disposition thereof upon receipt of an agreement by
or on behalf of the recipient to repay such amount unless it shall ultimately be
determined that he is entitled to indemnification under the provisions of this
Article VII.

     Any director or officer (and the heirs, executors and administrators of
such director or officer) who has been wholly successful, on the merits or
otherwise, with respect to any claim, action, suit or proceeding of the
character described above shall be entitled to indemnification as a matter of
right. Except as provided in the preceding sentence, any indemnification under
the provisions of this Article VII shall be made upon the receipt from the
person seeking indemnification of (i) his written affirmation that he has met
the requisite standard of conduct necessary for indemnification and (ii) his
written understanding that he will repay such advanced sums if it is ultimately
determined that he has not met those requirements.

     The Corporation shall have the power to purchase and maintain insurance on
behalf of any director, officer, employee or agent against all liability and
expense that may be incurred by him in such capacity and in any other capacity
in which he served at the request of the Corporation, whether or not the
Corporation would have the power to indemnify him against such liability under
the provisions of this Article VII.

     The rights of indemnification provided for in this Article VII shall be in
addition to any rights to which any such director or officer may be entitled
under the General Corporation Law of the State of Delaware, including any
agreement, vote of shareholders and the Articles of Incorporation.

                                  ARTICLE VIII

                               GENERAL PROVISIONS

     SECTION 1. DIVIDENDS. Dividends upon the outstanding shares of the
Corporation, subject to the provisions of the Act, the Articles of Incorporation
and any agreements or obligations of the Corporation, if any, may be declared by
the Board of Directors at any regular or special meeting. Dividends may be
declared and paid in cash, in property, or in shares of the


                         BYLAWS OF EVERCOM SYSTEMS, INC.
                                  Page 15 of 17

Corporation, provided that all such declarations and payments of dividends shall
be in strict compliance with all applicable laws and the Articles of
Incorporation. The Board of Directors may fix in advance a record date for the
purpose of determining shareholders entitled to receive payment of any dividend,
such record date to be not more than 50 days prior to the payment of such
dividend. In the absence of any action by the Board of Directors, the date upon
which the Board of Directors adopts the resolution declaring such dividend shall
be the record date.

     SECTION 2. RESERVES. There may be created by a resolution of the Board of
Directors out of the earned surplus of the Corporation such reserve or reserves
as the Board of Directors from time to time, in its absolute discretion, deems
proper to provide for contingencies, or to equalize dividends, or to repair or
maintain any property of the Corporation, or for such other proper purposes as
the Board of Directors shall deem beneficial to the Corporation, and the Board
of Directors may modify or abolish any reserve in the same manner in which it
was created.

     SECTION 3. FISCAL YEAR. The fiscal year of the Corporation shall be fixed
by resolution of the Board of Directors.

     SECTION 4. SEAL. The Corporation shall have a seal which may be used by
causing it or a facsimile thereof to be impressed on, affixed to, or in any
manner reproduced upon, instruments of any nature required to be executed by its
proper officers.

     SECTION 5. ANNUAL STATEMENT. The Board of Directors shall present at each
annual meeting and when called for by vote of the shareholders at any special
meeting of the shareholders, a full and clear statement of the business and
condition of the Corporation.

     SECTION 6. CHECKS. All checks or demands for money and notes of the
Corporation shall be signed by such officer or officers or such other person or
persons as the Board of Directors may designate from time to time.

     SECTION 7. VOTING SECURITIES OWNED BY CORPORATION. Voting securities in any
other corporation held by this Corporation shall be voted by the President or
any Vice President, unless the Board of Directors confers authority to vote with
respect thereto, which may be general or confined to specific investments, upon
some other person or officer. Any person authorized to vote securities shall
have the power to appoint proxies with the general power of substitution.


                         BYLAWS OF EVERCOM SYSTEMS, INC.
                                  Page 16 of 17

     SECTION 8. RESIGNATION. Any director, officer, employee or agent of the
Corporation may resign by giving written notice to the President or the
Secretary. The resignation shall take effect at the time specified therein, or
immediately if no time is specified therein. Unless specified in such notice,
the acceptance of such resignation shall not be necessary to make it effective.

                                   ARTICLE IX

                              AMENDMENTS TO BYLAWS

     These Bylaws may be altered, amended, modified or repealed, or new Bylaws
may be adopted at any meeting of the Board of Directors at which a quorum is
present by the affirmative vote of a majority of the Directors present at such
meeting.


                         BYLAWS OF EVERCOM SYSTEMS, INC.
                                  Page 17 of 17

                         ORGANIZATIONAL WRITTEN CONSENT
                          OF THE BOARD OF DIRECTORS OF

                              TALTON INVISION, INC.

                                 August 22, 1997

          Pursuant to Section 141(f) of the Delaware Corporation Law, the
undersigned, being all of the members of the Board of Directors of Talton
Invision, Inc., a Delaware corporation (the "Corporation"), hereby consent to,
approve and adopt the following resolutions for the organization of the
Corporation, which resolutions shall have the same force and effect as if
adopted at an organizational meeting of the Board of Directors of the
Corporation duly called and held for the purpose of acting upon proposals to
adopt such resolutions:

     RESOLVED, that the Secretary of the Corporation be, and hereby is,
     instructed to insert a certified duplicate original of the Articles of
     Incorporation of the Corporation, which were duly filed in the office of
     the Secretary of State of Delaware on August 22, 1997, in the minute book
     of the Corporation;

     RESOLVED FURTHER, that the Bylaws attached hereto be, and the same hereby
     are, adopted as the Bylaws of the Corporation, and the Secretary of the
     Corporation be, and hereby is, instructed to insert the attached copy of
     the Bylaws in the minute book of the Corporation;

     RESOLVED FURTHER, that the following persons be, and they hereby are,
     elected to the offices of the Corporation set forth opposite their names
     below, to serve in such capacity until the election and qualification of
     their successors:


                             
          Todd W. Follmer       President/
                                Assistant Secretary

          John A. Crooks, Jr.   Vice President/
                                Assistant Secretary

          John R. Summers       Vice President/
                                Secretary/Treasurer

          Brenda King           Assistant Secretary


     RESOLVED FURTHER, that the form of stock certificate representing the
     common stock, $1.00 par value, of the Corporation, a specimen of which is
     attached hereto, be, and the same hereby is, approved and adopted, and that
     the Secretary of the Corporation be, and hereby is, instructed to insert
     the attached specimen in the minute book of the Corporation;

     RESOLVED FURTHER, that the use of a corporate seal of the Corporation and
     the attestation of the documents of the Corporation by the Secretary or
     other officer of the Corporation be, and they each hereby are, waived and
     they shall not be required on instruments or other documents as evidence of
     a proper act of the Corporation or the officers thereof, except as required
     by law;

     RESOLVED FURTHER, that the first fiscal year of the Corporation shall begin
     on the date hereof and end on the last day of December, 1997, and
     thereafter the fiscal year of the Corporation shall begin on the first day
     of January and end on the last day of December of each year;

     RESOLVED FURTHER, that the officers of the Corporation be, and they hereby
     are, authorized to establish bank accounts in the name of and on behalf of
     the Corporation with such banks, either within or without the continental
     United States, as the officers may deem necessary or advisable, and in
     connection therewith to execute said bank' regular corporate resolution
     forms, which are incorporated by reference in and made a part of this
     resolution, and the Secretary be, and hereby is, directed to place a copy
     of each executed corporate resolution form in the minute book of the
     Corporation;

     RESOLVED FURTHER, that the President of the Corporation be, and hereby is,
     authorized as a signatory on all bank accounts established in the name and
     on behalf of the Corporation;

     RESOLVED FURTHER, that the President of the Corporation be, and hereby is,
     authorized, directed and empowered to designate any other employee of the
     Corporation as an authorized signatory on any such bank accounts
     established in the name and on behalf of the Corporation if the President
     deems such designation necessary or advisable, and in connection with such
     designation, to establish limitations on the authority of the designated
     signatory, including amounts or requirements for cosignors;

     RESOLVED FURTHER, that the Secretary of the Corporation be, and hereby is,
     directed to pay all expenses properly incurred in connection with the
     organization of the Corporation;

     RESOLVED FURTHER, that the Secretary of the Corporation be, and hereby is,
     instructed to purchase such record books and books of account, checks,
     stationery and office supplies as may be necessary or appropriate for the
     proper administration of the affairs of the Corporation;

     RESOLVED FURTHER, that for the purposes of authorizing the Corporation to
     do business in any state, territory, dependency of the United States or any
     foreign country in which it is necessary or expedient for the Corporation
     to transact business, the appropriate officers of the Corporation be, and
     each hereby is, authorized, directed and empowered to appoint and
     substitute all necessary agents or attorneys for the service of process, to
     designate and change the location of all necessary certificates, reports,
     powers of attorney and other such instruments as may be required by the
     laws of such state, territory, dependency or country to authorize the
     Corporation to transact business therein, and whenever it is expedient for
     the Corporation to cease doing business therein and withdraw therefrom, to
     revoke any appointment of agent or attorney for service of process, and to
     file such certificates, reports revocation or appointment or surrender of
     authority as may be necessary to terminate the authority of the Corporation
     to do business in any such state, territory, dependency or country, and to
     execute such general corporate resolution forms which may be required to
     effect any of the foregoing, said resolution forms being hereby
     incorporated by reference and made a part of this resolution, and the
     Secretary be, and hereby is, directed to place a copy of such executed
     corporate resolution form in the minute book of the Corporation;

     RESOLVED FURTHER, that the Corporation issue and deliver to Talton
     Holdings, Inc., 1000 shares of authorized but unissued Common Stock, $1.00
     par value, evidenced by Certificate No. 1, upon the contribution to the
     Corporation of $1000 in cash, whereupon such shares shall be duly and
     validly issued, fully paid and nonassessable;

     RESOLVED FURTHER, that the proper officers of the Corporation be, and they
     hereby are, authorized, empowered and directed to do all other things and
     acts and to execute and deliver all other instruments and documents as may
     be, in their sole judgment, necessary, proper or advisable in order to
     carry out and comply with the purposes and intent of these resolutions and
     all of the acts and deeds of the proper officers which are consistent with
     the purposes and intent of these resolutions shall be, and the same hereby
     are, in all respects, approved, confirmed and adopted as the acts and deeds
     of the Corporation.

          Any third party dealing with the Corporation shall be entitled to rely
on a copy or facsimile of this Organizational Written Consent rather than an
original hereof.

                       [SEE FOLLOWING PAGE FOR SIGNATURES]

          IN WITNESS WHEREOF, the undersigned has executed this Organizational
Written Consent as of the date first above written.

                                        SOLE DIRECTOR:


                                        /s/ Todd W. Follmer
                                        ----------------------------------------
                                        Todd W. Follmer

                                     BYLAWS

                                       OF

                              TALTON INVISION, INC.

                                    ARTICLE I

                                     OFFICES

     SECTION 1. PRINCIPAL OFFICE. The principal office of the Corporation shall
be in the County of Dallas, State of Texas.

     SECTION 2. OTHER OFFICES. The Corporation also may have offices at such
other places both within and without the State of Delaware as the Board of
Directors may from time to time determine or the business of the Corporation may
require.

                                   ARTICLE II

                                  SHAREHOLDERS

     SECTION 1. TIME AND PLACE OF MEETING. Meetings of the shareholders shall be
held at such times and at such places, within or without the State of Delaware,
as shall be determined by the Board of Directors.

     SECTION 2. ANNUAL MEETINGS. Annual meetings of shareholders shall be held
on the second Friday of the first month of each fiscal year if not a legal
holiday, and if a legal holiday, then on the next secular day following at 10:00
A.M., at which they shall elect a Board of Directors, and transact such other
business as may properly be brought before the meeting. The date of the annual
meeting of the shareholders may be held on a date different than that given
above if the Board so determines, and so states in the notice of the meeting or
in a duly executed waiver thereof.

     SECTION 3. SPECIAL MEETINGS. Special meetings of the shareholders may be
called at any time by the President or the Board of Directors, and shall be
called by the President or the Secretary at the request in writing of a majority
of the Board of Directors, or at the request in writing of the holders of not
less than 40% of all the shares issued, outstanding and entitled to vote at the
meeting. Such request shall state the purpose or purposes of the proposed
meeting. Business transacted at special meetings shall be confined to the
purposes stated in the notice of the meeting.


                         BYLAWS OF TALTON INVISION, INC.
                                  Page 1 of 16

     SECTION 4. NOTICE. Written or printed notice stating the place, day and
hour of any shareholders' meeting and, in the case of a special meeting, the
purpose or purposes for which the meeting is called, shall be delivered not less
than 10 nor more than 50 days before the date of the meeting, either personally
or by mail, by or at the direction of the President, the Secretary or the
officer or person calling the meeting, to each shareholder of record entitled to
vote at such meeting. If mailed, such notice shall be deemed to be delivered
when deposited in the United States mail, postage prepaid, to the shareholder at
his address as it appears on the stock transfer books of the Corporation.

     SECTION 5. CLOSING OF STOCK TRANSFER BOOKS AND FIXING RECORD DATE. For the
purpose of determining shareholders entitled to notice of or to vote at any
meeting of shareholders or any adjournment thereof, or entitled to receive
payment of any dividend, or in order to make a determination of shareholders for
any other proper purpose, the Board of Directors of the Corporation may provide
that the stock transfer books shall be closed for a stated period but not to
exceed, in any case, 50 days. If the stock transfer books shall be closed for
the purpose of determining shareholders, such books shall be closed for at least
10 days immediately preceding such meeting. In lieu of closing the stock
transfer books, the Board of Directors may fix in advance a date as the record
date for any such determination of shareholders, such date in any case to be not
more than 50 days and, in case of a meeting of stockholders, not less than 10
days prior to the date on which the particular action requiring such
determination of shareholders is to be taken. If the stock transfer books are
not closed and no record date is fixed for the determination of shareholders
entitled to notice of or to vote at a meeting of shareholders, or shareholders
entitled to receive payment of a dividend, the date on which notice of the
meeting is mailed or the date on which the resolution of the Board of Directors
declaring such dividend is adopted, as the case may be, shall be the record date
for such determination of shareholders. When a determination of shareholders
entitled to vote at any meeting of shareholders has been made as provided in
this Section, such determination shall apply to any adjournment thereof except
where the determination has been made through the closing of stock transfer
books and the stated period of closing has expired.

     SECTION 6. LIST OF SHAREHOLDERS. The officer or agent of the Corporation
having charge of the stock transfer books for shares of the Corporation shall
make, at least 10 days before each meeting of the shareholders, a complete list
of the shareholders entitled to vote at such meeting or any adjournment thereof,
arranged in alphabetical order, with the address of and the number of voting
shares held by each, which list, for a period of 10 days prior to such meeting,
shall be kept on file at the registered office of the Corporation and shall be
subject to


                         BYLAWS OF TALTON INVISION, INC.
                                  Page 2 of 16

inspection by any shareholder at any time during the usual business hours. Such
list shall also be produced and kept open at the time and place of the meeting
and shall be subject to the inspection of any shareholder during the whole time
of the meeting. The original stock transfer books shall be prima facie evidence
as to who are the shareholders entitled to examine such list of transfer books
or to vote at any meetings of shareholders.

     SECTION 7. QUORUM. The holders of a majority of the issued and outstanding
shares and entitled to vote thereat, present in person or represented by proxy,
shall constitute a quorum at all meetings of the shareholders for the
transaction of business except as otherwise provided by the Articles of
Incorporation or by the General Corporation Law of the State of Delaware (herein
called the "Act"). If, however, such quorum shall not be present or represented
at any meeting of the shareholders, the shareholders entitled to vote, present
in person or represented by proxy, shall have power to adjourn the meeting from
time to time, without notice other than announcement at the meeting, until a
quorum shall be present or represented. At such adjourned meeting at which a
quorum shall be present or represented, any business may be transacted which
might have been transacted at the meeting as originally notified. Once a quorum
is constituted, the shareholders present or represented by proxy at a meeting
may continue to transact business until adjournment, notwithstanding the
subsequent withdrawal therefrom of such number of shareholders as to leave less
than a quorum.

     SECTION 8. VOTING. When a quorum is present at any meeting, the vote of the
holders of a majority of the shares present or represented by proxy at such
meeting and entitled to vote shall be the act of the shareholders.

     Each shareholder shall at every meeting of the shareholders be entitled to
one vote in person or by proxy for each share having voting power held by such
shareholder, except to the extent that the voting rights of the shares of any
class or classes are limited or denied by the Articles of Incorporation. At each
election for directors every shareholder shall be entitled to vote, in person or
by proxy, the number of shares owned by him for as many persons as there are
directors to be elected and for whose election he has a right to vote.
Cumulative voting is prohibited by the Articles of Incorporation. Every proxy
must be executed in writing by the shareholder or by his duly authorized
attorney-in-fact. No proxy shall be valid after eleven months from the date of
its execution unless otherwise provided therein. Each proxy shall be revocable
unless expressly provided therein to be irrevocable or unless otherwise made
irrevocable by law.

     Shares registered in the name of another corporation may be voted by such
officer, agent, or proxy as the Bylaws of such


                         BYLAWS OF TALTON INVISION, INC.
                                  Page 3 of 16

corporation may prescribe or, in the absence of such provisions, as the Board of
Directors of such corporation may determine.

     Shares held by an administrator, executor, guardian, or conservator may be
voted by him, either in person or by proxy, without a transfer of such shares
into his name. Shares standing in the name of a trustee may be voted by him,
either in person or by proxy, but no trustee shall be entitled to vote shares
held by him without a transfer of such shares into his name as trustee.

     Shares standing in the name of a receiver may be voted by such receiver,
and shares held by or under the control of a receiver may be voted by such
receiver without being transferred into his name, if such authority is contained
in an appropriate order of the court that appointed the receiver.

     A shareholder whose shares are pledged shall be entitled to vote such
shares until the shares have been transferred into the name of the pledgee, and
thereafter the pledgee shall be entitled to vote the shares so transferred.

     Shares of its own stock belonging to the Corporation or held by it in a
fiduciary capacity shall not be voted, directly or indirectly, at any meeting,
and shall not be counted in determining the total number of outstanding shares
at any given time.

     SECTION 9. ACTION BY UNANIMOUS CONSENT. Any action required to be taken at
a meeting of the shareholders may be taken without a meeting if a consent in
writing, setting forth the action so taken, shall be signed by all of the
shareholders entitled to vote with respect to the subject matter thereof. Any
and all parties dealing with the Corporation shall be entitled to rely on a copy
or facsimile of any such written consent rather than an original thereof.

     SECTION 10. PRESENCE AT MEETINGS BY MEANS OF COMMUNICATION EQUIPMENT.
Shareholders may participate in and hold a meeting of such shareholders by means
of conference telephone or similar communications equipment by means of which
all persons participating in the meeting can hear each other, and participation
in a meeting pursuant to this Section shall constitute presence in person at
such meeting, except where a person participates in the meeting for the express
purpose of objecting to the transaction of any business on the ground that the
meeting is not lawfully called or convened.


                         BYLAWS OF TALTON INVISION, INC.
                                  Page 4 of 16

                                   ARTICLE III

                                    DIRECTORS

     SECTION 1. NUMBER OF DIRECTORS. The number of directors of the Corporation
shall be fixed from time to time by resolution of the Board of Directors, but in
no case shall the number of directors be less than 1 or more than 9. Until
otherwise fixed by resolution of the Board of Directors, the number of
directors shall be as stated in the Articles of Incorporation of the
Corporation. No decrease in the number of directors shall have the effect of
reducing the term of any incumbent director. Directors shall be elected at the
annual meeting of the shareholders, except as provided in Section 2 of this
Article III, and each director shall hold office until (i) his successor is
elected and qualified, (ii) he dies, (iii) he resigns, or (iv) he is removed.
Directors need not be residents of the State of Delaware or shareholders of the
Corporation.

     SECTION 2. VACANCIES. Subject to other provisions of this Section, any
vacancy occurring in the Board of Directors may be fixed by the affirmative vote
of a majority of the remaining directors, though the remaining directors may
constitute less than a quorum of the Board of Directors as fixed by Section 10
of this Article III. A director elected to fill a vacancy shall be elected for
the unexpired term of his predecessor in office. Any directorship to be filled
by reason of an increase in the number of directors shall be filled by unanimous
vote of the existing directors. Shareholders holding a majority of the issued
and outstanding shares entitled to vote may, at any time, terminate the term of
office of all or any of the directors, with or without cause, by a vote at any
annual or special meeting, or by written statement, signed by the holders of all
of such shares, and filed with the Secretary or, in his absence, with any other
officer. Such removal shall be effective immediately upon such shareholder
action even if successors are not elected simultaneously, and the vacancies on
the Board of Directors caused by such action shall be filled only by election by
the shareholders.

     SECTION 3. GENERAL POWERS. The business of the Corporation shall be managed
by its Board of Directors, which may exercise all powers of the Corporation and
do all such lawful acts and things, as are not by the Act, the Articles of
Incorporation or these Bylaws directed or required to be exercised or done by
the shareholders.

     SECTION 4. PLACE OF MEETINGS. The Board of Directors of the Corporation may
hold meetings, both regular and special, either within or without the State of
Delaware.

     SECTION 5. ANNUAL MEETINGS. The first meeting of each newly elected Board
of Directors shall be held, without further notice,


                         BYLAWS OF TALTON INVISION, INC.
                                  Page 5 of 16

immediately following the annual meeting of shareholders at which such directors
were elected, provided a quorum shall be present. In the event such meeting is
not held immediately following the annual meeting, the meeting may be held at
such time and place as shall be specified in a notice given as hereinafter
provided for special meetings of the Board of Directors, or as shall be
specified in a written waiver of notice signed by all of the directors.

     SECTION 6. REGULAR MEETINGS. Regular meetings of the Board of Directors
shall be held without special notice at such time and at such place as shall
from time to time be determined by the Board of Directors.

     SECTION 7. SPECIAL MEETINGS. Special meetings of the Board of Directors may
be called by or at the request of the Chairman of the Board of Directors or the
President, and shall be called by the Secretary on the written request of a
majority of the incumbent directors. The person or persons authorized to call
special meetings of the Board of Directors may fix the place for holding any
special meeting of the Board of Directors called by them.

     SECTION 8. NOTICE OF SPECIAL MEETINGS. Notice of any special meetings shall
be given at least 48 hours previous thereto if given either personally
(including written notice delivered personally or telephone notice) or by
telegram, and at least 120 hours previous thereto if given by written notice
mailed to each director at the address of his business or residence. If mailed,
the notice shall be deemed to be delivered when deposited in the United States
mail addressed in the above-specified manner, with postage thereon prepaid. If
notice be given by telegram, such notice shall be deemed to be delivered when
the telegram is delivered to the telegraph company. Neither the business to be
transacted at, nor the purpose of, any regular or special meeting of the Board
of Directors need be specified in the notice or waiver of notice of such
meeting.

     SECTION 9. WAIVER OF NOTICE. Any director may waive notice of any meeting,
as provided in Article IV, Section 2, of these Bylaws. The attendance of a
director at a meeting shall constitute a waiver of notice of such meeting,
except where a director attends a meeting for the express purpose of objecting
to the transaction of any business because the meeting is not lawfully called or
convened.

     SECTION 10. QUORUM AND VOTING. At all meetings of the Board of Directors,
the presence of a majority of the number of directors fixed by Article III,
Section 1, of these Bylaws shall be necessary and sufficient to constitute a
quorum for the transaction of business, and the affirmative vote of at least a
majority of the directors present at any meeting at which there is a quorum
shall be the act of the Board of Directors, except as


                         BYLAWS OF TALTON INVISION, INC.
                                  Page 6 of 16

may be otherwise specifically provided by the Act, the Articles of Incorporation
or these Bylaws. If a quorum shall not be present at any meeting of directors, a
majority of the directors present thereat may adjourn the meeting from time to
time without notice other than announcement at the meeting, until a quorum shall
be present.

     SECTION 11. CHAIRMAN OF THE BOARD. The Board of Directors may elect a
Chairman of the Board at each annual meeting of the Board of Directors. The
Chairman of the Board shall be a director of the Corporation and shall hold
office until the annual meeting of the Board of Directors following his election
or until his successor is elected and qualified. The Chairman of the Board shall
preside at all meetings of the Board of Directors, and, in the absence of the
President, at all meetings of the shareholders.

     SECTION 12. COMMITTEES. The Board of Directors by resolution passed by a
majority of the whole Board may designate an Executive Committee, to consist of
two or more directors, one of whom shall be designated as Chairman, who shall
preside at all meetings of such Committee. At any meeting of the Committee a
majority of the members of the Committee shall constitute a quorum for the
transaction of business, and the act of a majority of the members present at any
meeting at which a quorum is present shall be the act of the Committee. To the
extent provided in the resolution of the Board of Directors, the Executive
Committee shall have and may exercise all of the authority of the Board of
Directors, and shall have power to authorize the seal of the Corporation to be
affixed to all papers which may require it. The designation of such Executive
Committee and the delegation thereto of authority shall not operate to relieve
the Board of Directors, or any member thereof, of any responsibility imposed
upon it or him by law. Meetings of the Executive Committee may be called and
notices given in the same manner as calling and giving notice of special
meetings of the Board of Directors. Any member of the Executive Committee may be
removed, for or without cause, by the affirmative vote of a majority of the
whole Board of Directors. If any vacancy or vacancies occur in the Executive
Committee, such vacancy or vacancies shall be filled by the affirmative vote of
a majority of the whole Board of Directors.

     The Board of Directors by resolution passed by a majority of the whole
Board may designate other committees, each committee to consist of two or more
directors, one of whom shall be designated as Chairman and shall preside at all
meetings of such committee, which committees shall have such power and authority
and shall perform such functions as may be provided in such resolution. At any
meeting of the committee a majority of the members of the committee shall
constitute a quorum for the transaction of business, and the act of a majority
of the members present at any meeting at which a quorum is present shall be the
act of the


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committee. Such committee or committees shall have such name or names as may be
designated by the Board of Directors.

     The Executive Committee and all other such committees shall keep regular
minutes of their proceedings and report the same to the Board of Directors when
required.

     SECTION 13. COMPENSATION OF DIRECTORS. Directors, as such, shall not
receive any stated salary for their services, but by resolution of the Board of
Directors, a fixed sum and expenses of attendance, if any, may be allowed for
attendance at each regular or special meeting of the Board of Directors. Nothing
herein contained shall be construed to preclude any director from serving the
Corporation in any other capacity and receiving compensation therefor. Members
of any committee may, by resolution of the Board of Directors, be allowed like
compensation for attending meetings.

     SECTION 14. ACTION BY UNANIMOUS CONSENT. Any action required or permitted
to be taken at any meeting of the Board of Directors or of a committee
designated by the Board of Directors may be taken without a meeting if a written
consent, setting forth the action so taken, is signed by all the members of the
Board of Directors or the committee, as the case may be, and such consent shall
have the same force and effect as a unanimous vote at a meeting. Any and all
parties dealing with the Corporation shall be entitled to rely on a copy or
facsimile of any such written consent rather than an original thereof.

     SECTION 15. PRESENCE AT MEETINGS BY MEANS OF COMMUNICATION EQUIPMENT.
Members of the Board of Directors of the Corporation or any committee designated
by the Board of Directors may participate in and hold a meeting of such board or
committee by means of conference telephone or similar communications equipment
by means of which all persons participating in the meeting can hear each other,
and participation in a meeting pursuant to this Section shall constitute
presence in person at such meeting, except where a person participates in the
meeting for the express purpose of objecting to the transaction of any business
on the ground that the meeting is not lawfully called or convened.

                                   ARTICLE IV

                                     NOTICES

     SECTION 1. FORM OF NOTICE. Whenever, under the provisions of the Act, the
Articles of Incorporation or these Bylaws, notice is required to be given to any
director or shareholder, and no provision is made as to how such notice shall be
given, such notice shall be given in writing, by mail, postage prepaid,
addressed to such director or shareholder at such address as appears on the
books of the Corporation, provided, that such


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notice as is required to be given to any director also may be given either
personally (including written notice delivered personally or telephone notice)
or by telegram. Any notice required or permitted to be given by mail shall be
deemed to be given at the time when the same be thus deposited in the United
States mail addressed in the above-specified manner, with postage thereon
prepaid.

     SECTION 2. WAIVER. Whenever any notice is required to be given to any
director or shareholder of the Corporation under the provisions of the Act, the
Articles of Incorporation or these Bylaws, a waiver thereof in writing signed by
the person or persons entitled to such notice, whether before or after the time
stated in such notice, shall be equivalent to the giving of such notice.

                                   ARTICLE V

                                    OFFICERS

     SECTION 1. GENERAL. The elected officers of the Corporation shall be a
President, one or more Vice Presidents, with or without such descriptive titles
as the Board of Directors shall deem appropriate, a Secretary and a Treasurer.
The Board of Directors by resolution may also appoint one or more Assistant
Secretaries, Assistant Treasurers and such other officers and assistant officers
and agents as from time to time may appear to be necessary or advisable in the
conduct of the affairs of the Corporation. Any two or more offices may be held
by the same person, and the offices of President and Secretary may be held by
the same person.

     SECTION 2. ELECTION. The Board of Directors at its first meeting after each
annual meeting of the shareholders shall elect and appoint the officers to fill
the positions designated in Section 1 of this Article V. The Board of Directors
may appoint such other officers and agents as it shall deem necessary and may
determine the salaries of all officers and agents from time to time. The
officers shall hold office until their successors are chosen and qualified. Any
officer elected or appointed by the Board of Directors may be removed, for or
without cause, at any time by a majority vote of the whole Board when in its
judgment the best interests of the Corporation will be served thereby, but such
removal shall be without prejudice to the contract rights, if any, of the person
so removed. Election or appointments of an officer or agent shall not of itself
create contract rights. Any vacancy occurring in any office of the Corporation
by death, resignation, removal or otherwise shall be filled by the Board of
Directors.

     SECTION 3. PRESIDENT. The President shall have the powers of chief
executive officer of the Corporation, and as chief


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executive officer shall have general supervision of the affairs of the
Corporation and shall have general and active control of all of its business.

     The President shall preside at all meetings of the shareholders and Board
of Directors. He shall have authority to execute bonds, deeds, contracts in the
name of the Corporation and to affix the corporate seal thereto; to sign stock
certificates; to cause the employment or appointment of such employees and
agents of the Corporation as the proper conduct of operations may require, and
to fix their compensation, subject to the provisions of these Bylaws; to remove
or suspend any employee or agent who shall have been employed or appointed under
his authority or under authority of an officer subordinate to him; to suspend
for cause, pending final action by the authority which shall have supervisory
power over him, any officer subordinate to the President, and, in general, to
exercise all the powers usually appertaining to the office of President of a
corporation, except as otherwise provided in these Bylaws.

     SECTION 4. VICE PRESIDENTS. The Vice President or, if there be more than
one, the Vice Presidents, shall perform all such duties and services as shall be
assigned to or required of them from time to time by the Board of Directors, the
Executive Committee, and the President.

     SECTION 5. SECRETARY AND ASSISTANT SECRETARIES. The Secretary shall attend
all meetings of the Board of Directors and all meetings of the shareholders and
record all proceedings of the meetings of the shareholders of the Corporation
and of the Board of Directors in a book to be kept for that purpose, and shall
perform like duties for the Executive Committee when required. The Secretary
shall give, or cause to be given, notice of all meetings of the shareholders and
meetings of the Board of Directors. The Secretary shall have charge of the seal
of the Corporation and have authority to affix the same to any instrument
requiring it, and when so affixed, it shall be attested by the Secretary's
signature or by the signature of the Treasurer or an Assistant Secretary or
Assistant Treasurer, which may be in facsimile. The Secretary shall keep and
account for all books, documents, papers and records of the Corporation except
those for which some other officer or agent is properly accountable. He shall
have authority to sign stock certificates, and shall generally perform all the
duties usually appertaining to the office of the Secretary of a corporation.

     Assistant Secretaries, in the order of their seniority, unless otherwise
determined by the Board of Directors, shall assist the Secretary, and in the
absence or disability of the Secretary, perform the duties and exercise the
powers of the Secretary. They shall perform such other duties and have such
other powers as the Board of Directors may prescribe from time to time.


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                                 Page 10 of 16

     SECTION 6. TREASURER AND ASSISTANT TREASURERS. The Treasurer shall be the
chief financial officer of the Corporation and shall have active control of and
shall be responsible for all matters pertaining to the finances of the
Corporation. The Treasurer shall have the care and custody of all moneys, funds
and securities of the Corporation and shall deposit all moneys and other
valuable effects in the name of and to the credit of the Corporation in such
depositories as may be designated by the Board of Directors. The Treasurer shall
cause to be recorded a statement of all receipts and disbursements of the
Corporation in order that proper entries may be made in the books of account.
The Treasurer shall have the power to sign stock certificates, to endorse for
deposit or collection, or otherwise, all checks, drafts, notes, bills of
exchange or other commercial paper payable to the Corporation, and to give
proper receipts or discharges for all payments to the Corporation. He shall be
responsible for all terms of credit granted by the Corporation and for the
collection of all its accounts. If required by the Board of Directors, the
Treasurer shall give the Corporation a bond in such sum and with such surety or
sureties as shall be satisfactory to the Board of Directors for the faithful
performance of the duties of his office and for the restoration to the
Corporation, in case of his death, resignation, retirement or removal from
office, of all books, papers, vouchers, money and other property or whatever
kind in his possession or under his control belonging to the Corporation.

     Assistant Treasurers, in the order of their seniority, unless otherwise
determined by the Board of Directors, shall assist the Treasurer, and in the
absence or disability of the Treasurer, perform the duties and exercise the
powers of the Treasurer. They shall perform such other duties and have such
other powers deemed necessary in order to assist the Treasurer, and in the
absence or disability of the Treasurer, perform the duties and exercise the
powers of the Treasurer. They shall perform such other duties and have such
other powers as the Board of Directors may prescribed from time to time.

     SECTION 7. BONDING. If required by the Board of Directors, all or certain
of the officers shall give the Corporation a bond in such form, in such sum and
with such surety or sureties as shall be satisfactory to the Board of Directors,
for the faithful performance of the duties of their office and for the
restoration to the Corporation, in case of their death, resignation, retirement
or removal from office, of all books, papers, vouchers, money and other property
of whatever kind in their possession or under their control belonging to the
Corporation.


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                                   ARTICLE VI

                        CERTIFICATES REPRESENTING SHARES

     SECTION 1. FORM OF CERTIFICATES. The Corporation shall deliver certificates
representing all shares to which shareholders are entitled. Certificates
representing shares of the Corporation shall be in such form as shall be
determined by the Board of Directors and shall be numbered consecutively and
entered in the books of the Corporation as they are issued. Each certificate
shall state on the face thereof that the Corporation is organized under the laws
of the State of Delaware; the name of the registered holder; the number, class
of shares and the designation of the series, if any, which said certificate
represents; and either the par value of the shares or a statement that the
shares are without par value. Each certificate shall also set forth on the back
thereof, a full or summary statement of matters required by the Act or the
Articles of Incorporation to be described on certificates representing shares,
and shall contain a statement on the face thereof referring to the matters set
forth on the back thereof. Certificates shall be signed by the President or any
Vice President and the Secretary or any Assistant Secretary, and may be sealed
with the seal of the Corporation or a facsimile thereof. If any certificate is
countersigned by a transfer agent or registered by a registrar, either of which
is other than the Corporation or an employee of the Corporation, the signatures
of the Corporation's officers may be facsimiles. In case any officer or officers
who have signed, or whose facsimile signature or signatures have been used on
such certificate or certificates, shall cease to be such officer or officers of
the Corporation, whether because of death, resignation or otherwise, before such
certificate or certificates have been delivered by the Corporation or its
agents, such certificate or certificates may be adopted, nevertheless, by the
Corporation and be issued and delivered as though the person or persons who
signed the certificate or certificates or whose facsimile signature or
signatures have been used thereon had not ceased to be such officer or officers
of the Corporation.

     SECTION 2. RESTRICTIONS ON TRANSFERABILITY OF SHARES. In the event any
restriction on the transfer, or registration of the transfer of shares, shall be
imposed or agreed to, by the Corporation, as permitted by law, each certificate
representing shares so restricted shall conspicuously set forth a full or
summary statement of the restriction on the face of the certificate, or shall
set forth such statement on the back of the certificate and conspicuously state
on the face or back of the certificate that such restriction exists pursuant to
a specified document and that the Corporation will furnish to the holder of the
certificate without charge upon written request to the Corporation at its
principal place of business or registered office a copy of the specified
document.


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     SECTION 3. LOST CERTIFICATES. The Corporation may direct that a new
certificate or certificates be issued in place of any certificate or
certificates theretofore issued by the Corporation alleged to have been lost or
destroyed, upon the making of an affidavit of that fact by the person claiming
the certificate to be lost or destroyed. When authorizing the issuance of a new
certificate or certificates, the Board of Directors, in its discretion and as a
condition precedent to the issuance thereof, may require the owner of the lost
or destroyed certificate or certificates, or his legal representative, to
advertise the same in such manner as it shall require and give the Corporation a
bond in such form, in such sum, and with such surety or sureties as the
Corporation may direct as indemnity against any claim that may be made against
the Corporation with respect to the certificate alleged to have been lost or
destroyed.

     SECTION 4. TRANSFER OF SHARES. Shares of stock shall be transferable on the
books of the Corporation by the holder thereof in person or by his duly
authorized attorney. Subject to any restrictions on transfer set forth in the
Articles of Incorporation of the Corporation, these Bylaws or any agreement
among shareholders to which the Corporation is a party or has notice, upon
surrender to the Corporation or to the transfer agent of the Corporation of a
certificate representing shares duly endorsed or accompanied by proper evidence
of succession, assignment or authority to transfer, it shall be the duty of the
Corporation or the transfer agent of the Corporation to issue a new certificate
to the person entitled thereto, cancel the old certificate and record the
transaction upon its books.

     SECTION 5. REGISTERED SHAREHOLDERS. The Corporation shall be entitled to
recognize the holder of record of any share or shares of stock as the holder in
fact thereof and, accordingly, shall not be bound to recognize any equitable or
other claim to or interest in such share or shares on the part of any other
person, whether or not it shall have express or other notice thereof, except as
otherwise provided by law.

                                   ARTICLE VII

                                 INDEMNIFICATION

     The Corporation shall indemnify any person (and the heirs, executors and
administrators of such person) who is or was a director or officer of the
Corporation, or of any other corporation and of which the Corporation directly
or indirectly is a shareholder or creditor or in which it is in any way
interested, against any and all liability and all expenses that may be incurred
by him in connection with or resulting from any claim, action, suit or
proceeding (whether brought by or in the right of the Corporation or otherwise),
civil or criminal, or in connection with an appeal relating thereto, in which he
may


                         BYLAWS OF TALTON INVISION, INC.
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become involved as a party or otherwise by reason of being or having been such a
director or officer (whether or not a director or officer at the time such
liability and expense may be incurred) provided such person acted, in good
faith, in what he reasonably believed to be the best interests of the
Corporation or such other corporation, as the case may be, and in addition, in
any criminal action or proceeding, had no reasonable cause to believe that his
conduct was unlawful. The termination of any claim, action, suit or proceeding,
civil or criminal, by judgment, settlement (whether with or without court
approval) or conviction or upon a plea of guilty or nolo contendere, or its
equivalent, shall not create a presumption that a director, officer or employee
did not meet the standards of conduct set forth in this Article VII.

     The terms "liability" and "all expenses" shall include, but shall not be
limited to, legal fees and disbursements and amounts of judgments, fines or
penalties against, and amounts paid in settlement by, a director, officer or
employee. Any expenses incurred by a director, officer or employee with respect
to any claim, action, suit or proceeding of the character described above may be
advanced prior to the final disposition thereof upon receipt of an agreement by
or on behalf of the recipient to repay such amount unless it shall ultimately be
determined that he is entitled to indemnification under the provisions of this
Article VII.

     Any director or officer (and the heirs, executors and administrators of
such director or officer) who has been wholly successful, on the merits or
otherwise, with respect to any claim, action, suit or proceeding of the
character described above shall be entitled to indemnification as a matter of
right. Except as provided in the preceding sentence, any indemnification under
the provisions of this Article VII shall be made upon the receipt from the
person seeking indemnification of (i) his written affirmation that he has met
the requisite standard of conduct necessary for indemnification and (ii) his
written understanding that he will repay such advanced sums if it is ultimately
determined that he has not met those requirements.

     The Corporation shall have the power to purchase and maintain insurance on
behalf of any director, officer, employee or agent against all liability and
expense that may be incurred by him in such capacity and in any other capacity
in which he served at the request of the Corporation, whether or not the
Corporation would have the power to indemnify him against such liability under
the provisions of this Article VII.

     The rights of indemnification provided for in this Article VII shall be in
addition to any rights to which any such director or officer may be entitled
under the General Corporation Law of the State of Delaware, including any
agreement, vote of shareholders and the Articles of Incorporation.


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                                  ARTICLE VIII

                               GENERAL PROVISIONS

     SECTION 1. DIVIDENDS. Dividends upon the outstanding shares of the
Corporation, subject to the provisions of the Act, the Articles of Incorporation
and any agreements or obligations of the Corporation, if any, may be declared by
the Board of Directors at any regular or special meeting. Dividends may be
declared and paid in cash, in property, or in shares of the Corporation,
provided that all such declarations and payments of dividends shall be in strict
compliance with all applicable laws and the Articles of Incorporation. The Board
of Directors may fix in advance a record date for the purpose of determining
shareholders entitled to receive payment of any dividend, such record date to be
not more than 50 days prior to the payment of such dividend. In the absence of
any action by the Board of Directors, the date upon which the Board of Directors
adopts the resolution declaring such dividend shall be the record date.

     SECTION 2. RESERVES. There may be created by a resolution of the Board of
Directors out of the earned surplus of the Corporation such reserve or reserves
as the Board of Directors from time to time, in its absolute discretion, deems
proper to provide for contingencies, or to equalize dividends, or to repair or
maintain any property of the Corporation, or for such other proper purposes as
the Board of Directors shall deem beneficial to the Corporation, and the Board
of Directors may modify or abolish any reserve in the same manner in which it
was created.

     SECTION 3. FISCAL YEAR. The fiscal year of the Corporation shall be fixed
by resolution of the Board of Directors.

     SECTION 4. SEAL. The Corporation shall have a seal which may be used by
causing it or a facsimile thereof to be impressed on, affixed to, or in any
manner reproduced upon, instruments of any nature required to be executed by its
proper officers.

     SECTION 5. ANNUAL STATEMENT. The Board of Directors shall present at each
annual meeting and when called for by vote of the shareholders at any special
meeting of the shareholders, a full and clear statement of the business and
condition of the Corporation.

     SECTION 6. CHECKS. All checks or demands for money and notes of the
Corporation shall be signed by such officer or officers or such other person or
persons as the Board of Directors may designate from time to time.

     SECTION 7. VOTING SECURITIES OWNED BY CORPORATION. Voting securities in any
other corporation held by this Corporation


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                                  Page 15 of 16

shall be voted by the President or any Vice President, unless the Board of
Directors confers authority to vote with respect thereto, which may be general
or confined to specific investments, upon some other person or officer. Any
person authorized to vote securities shall have the power to appoint proxies
with the general power of substitution.

     SECTION 8. RESIGNATION. Any director, officer, employee or agents of the
Corporation may resign by giving written notice to the President or the
Secretary. The resignation shall take effect at the time Specified therein, or
immediately if no time is specified therein. Unless specified in such notice,
the acceptance of such resignation shall not be necessary to make it effective.

                                   ARTICLE IX

                              AMENDMENTS TO BYLAWS

     These Bylaws may be altered, amended, modified or repealed, or new Bylaws
may be adopted at any meeting of the Board of Directors at which a quorum is
present by the affirmative vote of a majority of the Directors present at such
meeting.


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