EXHIBIT 99.3


                              VOTING AGREEMENT
  
      VOTING AGREEMENT, dated June 11, 1998, between Mr. George Henry
 ("Henry") a Member of the Board of Directors of PhoneTel Technologies,
 Inc., an Ohio corporation (the "Company"), and Davel Communications Group,
 Inc. ("Old Davel"). 
  
      WHEREAS, concurrently with the execution and delivery of this
 Agreement, the Company, Old Davel, Davel Holdings, Inc., a Delaware
 corporation and a wholly owned subsidiary of Old Davel ("New Davel"), D
 Subsidiary, Inc., an Illinois corporation and a wholly owned subsidiary of
 New Davel ("D Sub"), and PT Merger Corp., an Ohio corporation and a wholly
 owned subsidiary of New Davel ("P Sub"), have entered into an Agreement and
 Plan of Merger and Reorganization (the "Merger Agreement"), dated the date
 hereof, pursuant to which (i) D Sub will be merged with and into Old Davel
 with Old Davel surviving as a wholly owned subsidiary of New Davel (the
 "Davel Merger") and (ii) P Sub will be merged with and into the Company
 with the Company surviving as a wholly owned subsidiary of New Davel (the
 "PhoneTel Merger"). 
  
      WHEREAS, the consummation of the Davel Merger, the PhoneTel Merger and
 the other transactions contemplated by the Merger Agreement (the
 "Transaction") is subject to certain conditions, including the approval of
 the Merger Agreement and the PhoneTel Merger by the holders of at least a
 majority of the outstanding shares of common stock, par $.01 per share, of
 PhoneTel ("PhoneTel Common Stock"). 
  
      WHEREAS, Henry is the record and beneficial owner of 340,376 shares of
 PhoneTel Common Stock (the "Owned Shares") representing approximately 2.0%
 of the shares of PhoneTel Common Stock outstanding as of June 1, 1998. 
 Henry is also the holder of 25,000 options to purchase shares of PhoneTel
 Common Stock and warrants to purchase 25,000 shares of PhoneTel Common
 Stock. Such 340,376 shares of PhoneTel Common Stock, together with any
 other shares of capital stock of PhoneTel acquired by Henry after the date
 hereof and during the  term of this Agreement, are collectively referred to
 herein as the "Shares". 
  
      WHEREAS, as a condition to the willingness of Old Davel to enter into
 the Merger Agreement, and as an inducement to Old Davel to do so, Henry has
 agreed for the benefit of Old Davel as set forth in this Agreement. 
  
      NOW, THEREFORE, in consideration of the representations, warranties,
 covenants and agreements contained in this Agreement, the parties hereby
 agree as follows: 
  
                                 ARTICLE I 
  
                             COVENANTS OF HENRY 
  
      Section 1.1    Agreement to Vote.  At any meeting of the shareholders
 of PhoneTel held prior to the Termination Date (as defined in Section 4.4),
 however called, and at every reconvened meeting following any adjournment
 thereof prior to the Termination Date, or in connection with any written
 consent of the shareholders of Old Davel executed prior to the Termination
 Date, Henry shall vote the Shares in favor of the approval of the Merger
 Agreement, the PhoneTel Merger and each of the actions contemplated by the
 Merger Agreement to be performed by PhoneTel in connection with the
 Transaction and any actions required in furtherance thereof.  Prior to the
 Termination Date and subject to Section 1.3, Henry shall not enter into any
 agreement or understanding with any person, directly or indirectly, to
 vote, grant any proxy or give instructions with respect to the voting of
 the Shares in any manner inconsistent with the preceding sentence. 
  
      Section 1.2    Proxies.  (a) Henry hereby revokes any and all previous
 proxies granted with respect to matters set forth in Section 1.1 for the
 Shares. 
  
      (b)  Prior to the Termination Date, Henry shall not grant any proxies
 or powers of attorney with respect to matters set forth in Section 1.1,
 deposit any of the Shares into a voting trust or enter into a voting
 agreement, with respect to any of the Shares, in each case with respect to
 such matters. 
  
      Section 1.3    Transfer of Shares by Henry.  Prior to the Termination
 Date Henry shall not (a) pledge or place any encumbrance on any Shares,
 other than pursuant to this Agreement, or (b) transfer, sell, exchange or
 otherwise dispose of any Shares, in each case unless the pledgee,
 encumbrance holder, transferee, purchaser or acquiror of such shares enters
 into a Voting Agreement with Old Davel containing substantially the same
 terms as this Agreement. 
  
      Section 1.4    Action in Shareholder Capacity Only.  Henry makes no
 agreement or understanding herein in any capacity other than his capacity
 as a record holder and beneficial owner of the Shares, and nothing herein
 shall limit or affect any actions taken in any other capacity. 
  
                                ARTICLE II 
  
                      REPRESENTATIONS, WARRANTIES AND 
                       ADDITIONAL COVENANTS OF HENRY 
  
      Henry represents, warrants and covenants to Old Davel that: 
  
      Section 2.1    Ownership.  Henry is, as of the date hereof, the
 beneficial and record owner of 340,376 shares of PhoneTel Common Stock and
 has the sole right to vote such shares, and there are no restrictions on
 rights of disposition or other liens pertaining to such shares.  None of
 such shares is subject to any voting trust or other agreement, arrangement
 or restriction with respect to the voting of such shares. 
  
      Section 2.2    Authority and Non-Contravention.  Henry has the right,
 power and authority to enter into this Agreement and to consummate the
 transactions contemplated by this Agreement.  This Agreement has been duly
 executed and delivered by Henry and constitutes a valid and binding
 obligation of Henry, enforceable against Henry in accordance with its
 terms, subject to general principles of equity and as may be limited by
 bankruptcy, insolvency, moratorium, or similar laws affecting creditors'
 rights generally.  Neither the execution and delivery of this Agreement by
 Henry nor the consummation by Henry of the transactions contemplated hereby
 will (i) materially violate, or require any consent, approval or notice
 under, any provision of any judgment, order, decree, statute, law, rule or
 regulation applicable to Henry or the Shares or (ii) constitute a material
 violation of or default under any contract, commitment, agreement,
 understanding, arrangement or other restriction of any kind to which Henry
 is a party or by which Henry or his assets are bound. 
  
      Section 2.3    Total Shares.  Except for options to purchase 25,000
 shares of PhoneTel Common Stock and warrants to purchase 25,000 shares of
 PhoneTel Common Stock, Henry does not have any option to purchase or right
 to subscribe for or otherwise acquire any securities of PhoneTel and, other
 than with respect to the Owned Shares, has no other interest in or voting
 rights with respect to any other securities of PhoneTel 
  
      Section 2.4    Reasonable Efforts.  Prior to the Termination Date,
 Henry shall use reasonable efforts to take, or cause to be taken, all
 actions, and to do, or cause to be done, and to assist and cooperate with
 PhoneTel in doing, all things reasonably necessary, proper or advisable to
 consummate and make effective, in the most expeditious manner reasonably
 practicable, the Transaction. 
  
                                ARTICLE III 
  
                REPRESENTATIONS, WARRANTIES AND COVENANTS OF 
                                 OLD DAVEL 
  
      Old Davel represents, warrants and covenants to Henry that: 
  
      Section 3.1    Authority and Non-Contravention.  Old Davel has the
 right, power and authority to enter into this Agreement and to consummate
 the transactions contemplated by this Agreement.  The execution and
 delivery of this Agreement by Old Davel and the consummation of the
 transactions contemplated by this Agreement have been duly authorized by
 all necessary action on the part of Old Davel.  This Agreement has been
 duly executed and delivered by Old Davel and constitutes a valid and
 binding obligation of Old Davel, enforceable against Old Davel in
 accordance with its terms, subject to general principles of equity and as
 may be limited by bankruptcy, insolvency, moratorium or similar laws
 affecting creditors' rights generally.  Neither the execution and delivery
 of this Agreement nor the consummation by Old Davel of the transactions
 contemplated hereby will (i) materially violate, or require any consent,
 approval or notice under, any provision of any judgment, order, decree,
 statute, law, rule or regulation applicable to Old Davel or (ii) violate or
 conflict with the articles of incorporation or code of regulations of Old
 Davel or constitute a material violation of or default under any contract,
 commitment, agreement, understanding, arrangement or other restriction of
 any kind to which Old Davel is a party or by which Old Davel or its assets
 are bound. 
  
                                ARTICLE IV 
  
                               MISCELLANEOUS 
  
      Section 4.1    Expenses.  All costs and expenses incurred in
 connection with this Agreement shall be paid by the party incurring such
 costs or expenses. 
  
      Section 4.2    Further Assurances.  From time to time, at the request
 of Old Davel, in the case of Henry, or at the request of Henry, in the case
 of Old Davel, and without further consideration, each party shall execute
 and deliver or cause to be executed and delivered such additional documents
 and instruments and take all such further action as may be reasonably
 necessary or desirable to consummate the transactions contemplated by this
 Agreement. 
  
      Section 4.3    Specific Performance.  Henry agrees that Old Davel
 would be irreparably damaged if for any reason Henry fails to perform any
 of Henry's obligations under this Agreement, and that Old Davel would not
 have an adequate remedy at law for money damages in such event. 
 Accordingly, Old Davel shall be entitled to seek specific performance and
 injunctive and other equitable relief to enforce the performance of this
 Agreement by Henry.  This provision is without prejudice to any other
 rights that Old Davel may have against Henry for any failure to perform its
 obligations under this Agreement. 
  
      Section 4.4    Amendments, Termination.  This Agreement may not be
 modified or amended except by an instrument or instruments in writing
 signed by each party hereto.  The representations, warranties, covenants
 and agreements set forth in Article I, Article II and Article III shall
 terminate, except with respect to liability for prior breaches thereof,
 upon the earliest to occur of (i) termination of the Merger Agreement in
 accordance with its terms, (ii) the Closing Date and (iii) the date, if
 any, upon which the Company's Board of Directors withdraws, modifies or
 changes its recommendation or approval of the Merger Agreement or the
 PhoneTel Merger in a manner adverse to Old Davel (the "Termination Date"). 
  
      Section 4.5    Assignment.  Subject to Section 1.3 hereof, neither
 this Agreement nor any of the rights, interests or obligations under this
 Agreement shall be assigned, in whole or in part, by operation of law or
 otherwise by any of the parties without the prior written consent of the
 other parties.  Subject to the preceding sentence, this Agreement shall be
 binding upon, and inure to the benefit of, the parties hereto and their
 respective successors and assigns. 
  
      Section 4.6    Certain Events.  Henry agrees that this Agreement and
 the obligations hereunder shall attach to the Shares and shall be binding
 upon any person to which legal or beneficial ownership of such shares shall
 pass, whether by operation of law or otherwise. 
  
      Section 4.7    Entire Agreement.  This Agreement (including the
 documents referred to herein) (a) constitutes the entire agreement, and
 supersedes all prior agreements and understanding, both oral and written
 between the parties with respect to the subject matter of this Agreement
 and (b) is not intended to confer upon any person other than the parties
 hereto any rights or remedies. 
  
      Section 4.8    Notices.  All notices and other communications
 hereunder shall be in writing and shall be deemed given if delivered
 personally, sent by documented overnight delivery service or telecopied
 with confirmation of receipt, to the parties at the addresses specified
 below (or at such other address or telecopy or telex number for a party as
 shall be specified by like notice): 
  
           If to Old Davel to: 
  
                Davel Communications Group, Inc. 
                1429 Massaro Boulevard 
                Tampa, Florida  33619 
                Attention:  General Counsel 
                Telecopy number: 813.626.9610 
  
           with a copy to: 
  
                Kirkland & Ellis 
                200 East Randolph Drive 
                Chicago, Illinois  60601 
                Attention: R. Scott Falk 
                Telecopy number: 312.861.2200 
  
           If to Henry, to: 
  
                George Henry 
                1725 York Avenue, #4F 
                New York, New York  10128 
  
      Section 4.9    Governing Law.  This Agreement shall be governed by,
 and construed in accordance with, the laws of the State of Ohio regardless
 of the laws that might otherwise govern under applicable principles of
 conflicts of laws thereof. 
  
      Section 4.10   Counterparts.  This Agreement may be executed in two or
 more counterparts, all of which shall be considered one and the same
 agreement, and, shall become effective when one or more counterparts have
 been signed by each of the parties and delivered to the other parties in
 original or facsimile form. 
  
      Section 4.11   Interpretation.  The headings contained in this
 Agreement are inserted for convenience of reference only and shall not
 affect in any way the meaning or interpretation of this Agreement. 
  
      Section 4.12   Severability.  Any provision hereof which is invalid or
 unenforceable shall be ineffective to the extent of such invalidity or
 unenforceability, without affecting in any way the remaining provisions
 hereof. 
  
      Section 4.13   Consent to Jurisdiction.  Each party hereto irrevocably
 submits to the nonexclusive jurisdiction of (a) the state courts of the
 State of Ohio and (b) the United States federal district courts located in
 the State of Illinois for the purposes of any suit, action or other
 proceeding arising out of this Agreement or any transaction contemplated
 hereby. 
  
      Section 4.14   Attorney's Fees.  If any action at law or in equity is
 necessary to enforce or interpret the terms of this Agreement, the
 prevailing party shall be entitled to reasonable attorneys' fees, costs and
 necessary disbursements, in addition to any other relief to which such
 party may be entitled. 
  

      IN WITNESS WHEREOF, this Agreement has been signed by or on behalf of
 each of the parties as of the date first above written. 
  
  
  
                               ________________________________
                               George Henry 
  
  
                               DAVEL COMMUNICATIONS GROUP, INC.
  
  
                               By:_____________________________
                               Name: 
                               Title: