EXHIBIT 3(i).3
             
                          CERTIFICATE OF INCORPORATION

                                       OF

               SHARED TECHNOLOGIES FAIRCHILD COMMUNICATIONS CORP.



         FIRST.  The name of this corporation shall be:

               SHARED TECHNOLOGIES FAIRCHILD COMMUNICATIONS CORP.

         SECOND.  The address of its registered  office in the State of Delaware
is 1209 Orange Street,  Wilmington,  DE 19801, County of New Castle. The name of
its registered agent at such address is The Corporation Trust Company.

         THIRD.  The purpose of the corporation shall be:

         To engage in any lawful act or activity for which  corporations  may be
organized under the Delaware General Corporation Law.

         FOURTH.  The total  number of shares of all  classes of stock which the
Corporation shall have authority to issue is 3,000 shares of Common Stock, $.004
par value per share (the "Common Stock").

         A. Common Stock. Shares of Common Stock shall have the following voting
powers, rights and preferences:

         1.  Voting  Rights.  Except as  otherwise  required  by  Statute  or as
otherwise  provided in this Certificate of Incorporation,  the holders of shares
of Common  Stock shall be entitled to vote on all matters at all meetings of the
stockholders  of the  Corporation,  and shall be  entitled  to one vote for each
share of Common Stock entitled to vote at such meeting.

         2.  Dividends.  The holders of shares of Common Stock shall be entitled
to receive such dividends as may be declared by the Board of Directors.

         3.   Liquidation.   In  the  event  of  any  voluntary  or  involuntary
liquidation, dissolution or winding up of the Corporation, the holders of shares
of Common Stock shall be entitled to receive all of the remaining  assets of the
Corporation  available for distribution to the holders of Common Stock,  ratably
in proportion to the number of shares of Common Stock held by them.





         FIFTH.
         A.       The name and mailing address of the sole incorporator is as 
                  follows:

                  NAME                               MAILING ADDRESS

                  Steven M. Shishko                  c/o Gadsby & Hannah
                                                     125 Summer Street
                                                     Boston, MA  02110

         B. The name  and  mailing  address  of each  person  who is to serve as
director until the first annual meeting of the  stockholders or until successors
are elected and qualified, are as follows:

                  NAME              MAILING ADDRESS

Anthony D. Autorino                 c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

Mel D. Borer                        c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

Vincent DiVencenzo                  c/o Shared Technologies Fairchild
                                    Commuications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

Jeffrey J. Steiner                  c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

Donald E. Miller                    c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

                                       2




Thomas H. Decker                    c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

William A. DiBella                  c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

Ajit G. Hutheesing                  c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

Edward J. McCormack, Jr.            c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

Jo McKenzie                         c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109

Herbert L. Oakes, Jr.               c/o Shared Technologies Fairchild
                                    Communications Corp.
                                    100 Great Meadow Road
                                    Suite 104
                                    Wethersfield, CT 06109


         SIXTH.  The Board of Directors shall have the power to adopt,  amend or
repeal the by-laws.

         SEVENTH.  No director shall be personally  liable to the Corporation or
its  stockholders  for monetary damages for any breach of fiduciary duty by such
director as a director. Notwithstanding the foregoing sentence, a director shall
be liable to the  extent  provided  by  applicable  law,  (i) for  breach of the
director's duty of loyalty to the Corporation or its stockholders, (ii) for acts
or omissions  not in good faith or which  involve  intentional  misconduct  or a
knowing  violation of law, (iii) pursuant to Section 174 of the Delaware General
Corporation Law or (iv) for any transaction  from which the director  derived an
improper  personal  benefit.  No amendment to or repeal of this Article  Seventh
shall apply to or have any effect on he  liability  or alleged  liability of any
director of the Corporation for or with respect to any acts or omissions of such
director occurring prior to such amendment.

         EIGHTH.  The  number of  directors  constituting  the  entire  Board of
Directors  shall  be  as  set  forth  in or  pursuant  to  the  by-laws  of  the
Corporation.  The  Board of  Directors  shall be  divided  into  three  classes,
designated  Classes I, II and III,  which shall


                                       3


be as nearly equal in number as possible. Initially,  directors of Class I shall
be  elected  to  hold  office  for a term  expiring  at the  annual  meeting  of
stockholders in 1997,  directors of Class II shall be elected to hold office for
a term expiring at the annual meeting of  stockholders  in 1998 and directors of
Class III shall be elected  to hold  office  for a term  expiring  at the annual
meeting  of  stockholders  in  1999.  At each  annual  meeting  of  stockholders
following such initial classification and election, the respective successors of
each class shall be elected for three-year terms.

         THE UNDERSIGNED,  being the sole incorporator  hereinbefore  named, for
the purpose of forming a corporation  pursuant to the General Corporation Law of
the  State of  Delaware,  does  make  this  certificate,  hereby  declaring  and
certifying  that this is my act and deed and the facts  herein  stated are true,
and accordingly have hereunto set my hand this 6th day of March, 1996.


                                              /s/ Steven M. Shishko
                                              Steven M. Shishko
                                              Sole Incorporator