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                                                                  EXHIBIT (c) 5.


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                                                                  EXECUTION COPY

                      FOURTH AMENDMENT TO CREDIT AGREEMENT
                      ------------------------------------

         This FOURTH AMENDMENT TO CREDIT AGREEMENT (the "AMENDMENT"), dated as
of September 13, 1996, among PHONETEL TECHNOLOGIES, INC., an Ohio corporation
(the "BORROWER"), INTERNATIONALE NEDERLANDEN (U.S.) CAPITAL CORPORATION, a
Delaware corporation ("ING") and CERBERUS PARTNERS, L.P., a Delaware limited
partnership ("CERBERUS"), constituting all of the Lenders under the Credit
Agreement referenced below, and ING in its capacity as Agent for the Lenders (in
such capacity, the "AGENT").

                              W I T N E S S E T H:
                              --------------------

         RECITALS:

         A. The Borrower, the Lenders and the Agent have entered into a certain
Credit Agreement, dated as of March 15, 1996, as amended to the date hereof (the
"CREDIT AGREEMENT"). Capitalized terms used herein and not otherwise defined
shall have the meanings ascribed to such terms in the Credit Agreement.

         B. The Borrower has requested an amendment to the Credit Agreement to
increase the amount of the Revolving B Loan Commitment Amount to $4,250,000.

         C. The Borrower and its Subsidiaries have incurred Consolidated Capital
Expenditures for the months of May, June and July, 1996 in excess of the amounts
permitted under Section 6.2.5 of the Credit Agreement.

         D. The Lenders are agreeable to amending the Credit Agreement to so
increase the Revolving B Loan Commitment Amount, and to waiving said defaults
under Section 6.2.5 of the Credit Agreement on the terms and conditions set
forth herein.

         NOW, THEREFORE, the parties hereto agree as follows:

         SECTION 1. AMENDMENT TO SECTION 1.1. Section 1.1 of the Credit
Agreement is hereby amended by inserting the following definition in the
appropriate alphabetical order:



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                  "FOURTH AMENDMENT" means the Fourth Amendment to Credit
         Agreement dated as of September 13, 1996, among the Borrower, ING,
         Cerberus and ING in its capacity as Agent.

         SECTION 2. AMENDMENT TO SECTION 1.1. Section 1.1 of the Credit
Agreement is hereby further amended by deleting the existing definitions of
"REVOLVING B LOAN COMMITMENT AMOUNT" and "REVOLVING B OVERADVANCE AMOUNT" and
substituting in lieu thereof the following, respectively:

                           "REVOLVING B LOAN COMMITMENT AMOUNT" means an amount
         equal $4,250,000, as such amount may be reduced from time to time
         pursuant to SECTION 3.3.4.

                           "REVOLVING B OVERADVANCE AMOUNT" means an amount
         equal to $2,050,000, provided that from and after the earlier of
         January 1, 1997 or the Amtel Closing Date such amount shall be reduced
         by $50,000.

         SECTION 3. AMENDMENT TO SECTION 3.4.4. Section 3.4.4 of the Credit
Agreement is hereby amended by inserting the following new subsection at the end
of such section:

                  "(e) The Revolving B Loan Commitment (and the Revolving B
         Commitment Amount) shall be permanently reduced on each Monthly Payment
         Date set forth below by the amount set forth opposite such Monthly
         Payment Date:



                               MONTHLY PAYMENT DATE IN:                           AMOUNT
                               ------------------------                           ------
                                                                                 
                                    March, 1997                                 $ 2,250,000
                                    April, 1997                                 $   222,222
                                    May, 1997                                   $   222,222
                                    June, 1997                                  $   222,222
                                    July, 1997                                  $   222,222
                                    August, 1997                                $   222,222
                                    September, 1997                             $   222,222
                                    October, 1997                               $   222,222
                                    November, 1997                              $   222,222
                                    December, 1997                              $   222,224."


         SECTION 4. AMENDMENT TO SECTION 6.1.1. Section 6.1.1 of the Credit
Agreement is hereby amended by deleting the "and" immediately following clause
(j) thereof, by

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deleting the period immediately following clause (k) thereof and by inserting
the following clauses at the end of such section:

                           "(l) no later than Thursday of each calendar week, a
         detailed aged schedule, in a form satisfactory to the Required Lenders,
         of all commissions payable by the Borrower and its Subsidiaries under
         Telephone Placement Agreements or otherwise, as of the last Business
         Day of the prior week; and

                           (m) no later than Thursday of each calendar week, a
         detailed aged schedule, in a form satisfactory to the Required Lenders,
         of all telephone charges and other amounts owing to local exchange
         carriers, as of the last Business Day of the prior week."

         SECTION 5. AMENDMENT TO SECTION 6.1. Section 6.1 of the Credit
Agreement is hereby amended by adding thereto the following new Section 6.1.19
as follows:

                           "SECTION 6.1.19. PAYMENT OF COMMISSIONS AND LOCAL
         EXCHANGE CHARGES. The Borrower will, and will cause each Subsidiary to,
         pay all commissions payable under Telephone Placement Agreements or
         otherwise and all charges owing to local exchange carriers within
         thirty (30) days of the date such commissions and charges are due and
         payable."

         SECTION 6. AMENDMENT TO SECTION 6.2.4. Section 6.2.4 of the Credit
Agreement is hereby amended by adding thereto at the end of said section the
following clause (i) as follows:

                           "(i) LIMITATIONS ON ADDITIONS TO PROPERTY, PLANT AND
                  EQUIPMENT AND PURCHASE OF INTANGIBLE ASSETS. The Borrower will
                  not permit the aggregate amount of additions to property,
                  plant and equipment plus the aggregate amount of additions to
                  intangible assets for the Borrower and its Subsidiaries during
                  any calendar month ending on or prior to December 31, 1997 to
                  exceed $75,000; PROVIDED, HOWEVER, that the Borrower may
                  consummate the Amtel Purchase.

         SECTION 7. AMENDMENT TO SECTION 6.2.5. Section 6.2.5 of the Credit
Agreement is hereby amended by deleting said section in its entirety and
substituting in lieu thereof the following:


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                "SECTION 6.2.5. CAPITAL EXPENDITURES. The Borrower will not, and
        will not permit any Subsidiary to, make or commit to make any
        Consolidated Capital Expenditures, except (a) the Borrower may
        consummate the Amtel Purchase, (b) prior to December 31, 1997, the
        Borrower and its Subsidiaries (other than the POA Group) may make
        Consolidated Capital Expenditures solely for the installation,
        maintenance (including purchase of replacement parts) and upgrade of
        Telephones owned and in inventory as of September 13, 1996, and no such
        Consolidated Capital Expenditures may be made to purchase new
        Telephones, and (c) the Borrower and its Subsidiaries (other than the
        POA Group) may make Consolidated Capital Expenditures during any Fiscal
        Year commencing with the 1998 Fiscal Year provided (x) no Default or
        Event of Default has occurred and is continuing, and (y) the aggregate
        amount of Consolidated Capital Expenditures made during such Fiscal Year
        does not exceed the amount set forth below opposite such Fiscal Year:


                        FISCAL YEAR                                      AMOUNT
                        -----------                                      ------
                                                                        
                           1998                                        $4,250,000
                           1999                                        $4,325,000


        PROVIDED, HOWEVER, that the Borrower and its Subsidiaries shall not make
        or incur Consolidated Capital Expenditures prior to May 1, 1996 in
        excess of $350,000 in the aggregate; PROVIDED, FURTHER, HOWEVER, that
        POA may incur Capitalized Lease Liabilities pursuant to the POA Lease,
        and POA may make and incur capital expenditures but only to the extent
        necessary to maintain or replace Telephones and related equipment in
        operation as of September 13, 1996; PROVIDED, FURTHER, HOWEVER, that the
        Borrower and its Subsidiaries (other than the POA Group) may not make or
        incur Consolidated Capital Expenditures in the calendar month
        immediately following any calendar month where the Borrower and the
        Subsidiaries (other than the POA Group) experience negative cash flow on
        a consolidated basis (I.E., cash expenditures exceed cash revenues
        during such calendar month); PROVIDED, FURTHER, HOWEVER, that
        expenditures from insurance proceeds received upon the occurrence of a
        Loss which are made to replace or repair damage to destroyed assets will
        not be included in the foregoing calculation for the Fiscal Year such
        replacement or repair was made."

        SECTION 8. AMENDMENT TO SECTION 6.2. Section 6.2 of the Credit
Agreement is hereby amended by adding thereto the following new Section 6.2.22
as follows:

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                        "SECTION 6.2.22. ACQUISITION EXPENSES. The Borrower
                shall not, and shall not permit any of its Subsidiaries to,
                incur or agree to incur or reimburse any Person for any
                expenses, or make any payment or deposit, in respect of or
                related to the acquisition or proposed acquisition of assets or
                stock of any Person or any transaction prohibited under SECTION
                6.2.10 or SECTION 6.2.11 (any such acquisition or transaction, a
                "PROSPECTIVE ACQUISITION") other than (a) any such expenses
                incurred or payments or deposits made prior to September 13,
                1996, and (b) any such expenses incurred or payments or deposits
                made pursuant to agreements relating to the POA Purchase or the
                Amtel Purchase; PROVIDED, HOWEVER that the Borrower may
                reimburse Peter G. Graf for his reasonable travel and
                entertainment expenses incurred to explore Prospective
                Acquisitions. The Borrower shall have given notice to all
                Persons entitled to be paid or reimbursed in respect of such
                expenses (other than any such payable in connection with the POA
                Purchase or the Amtel Purchase) that no amounts or expenses
                accruing after September 13, 1996 shall be payable or
                reimbursable by the Borrower or any of its Subsidiaries."

         SECTION 9. REPRESENTATIONS, WARRANTIES AND COVENANTS. In order to
induce the Lenders and the Agent to enter into this Amendment and to consummate
the transactions contemplated herein, the Borrower hereby represents, warrants
and covenants to and with the Agent and each Lender as follows:

                  (a) as of the date hereof there exists no actual or, to the
         best of Borrower's knowledge, threatened termination, cancellation or
         limitation of the business relationship of the Borrower or any of its
         Subsidiaries with any party to a Telephone Placement Agreement which
         individually, or in the aggregate with any other such actual or
         threatened terminations, cancellations or limitations of Telephone
         Placement Agreements, could result in a Material Adverse Change;

                  (b) of the proceeds of the Revolving B Loans to be made on the
         date hereof not less than $1,500,000 shall be used to pay the accounts
         payable and commissions owed by the Borrower and its Subsidiaries which
         are due and payable and identified by the Borrower to the Lenders as
         priority payables on EXHIBIT A hereto (the "PRIORITY PAYABLES");


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                (c) upon payment of the Priority Payables, no commission payable
        under any Telephone Placement Agreement or otherwise in respect of a
        Telephone in operation, and no charges billed by a local exchange
        carrier, shall be more than 30 days past due;

                (d) no later than three Business Days following the date hereof,
        the Borrower shall have mailed or otherwise delivered payment in respect
        of all Priority Payables, and shall have delivered to the Agent and the
        Lenders a certificate from its General Counsel to the effect that it has
        complied in all respects with the provisions of Section 9 of this
        Amendment;

                (e) upon effectiveness of this Amendment, no Default or Event of
        Default shall exist under the Credit Agreement; and

                (f) the breach of any representation, warranty or covenant set
        forth in this Section 9 shall constitute an Event of Default under the
        Credit Agreement.

        SECTION 10. ACKNOWLEDGMENT OF DEFAULT AND WAIVER. The Borrower hereby
expressly acknowledges and agrees that it has been in default under the terms
Section 6.2.5 of the Credit Agreement as a result of Consolidated Capital
Expenditures made in the months of May, June and July, 1996, which followed
months where the Borrower and its Subsidiaries experienced negative cash flow on
a consolidated basis. The Borrower hereby requests that ING and Cerberus waive
such defaults by the Borrower under Section 6.2.5 of the Credit Agreement, and
ING and Cerberus hereby waive such defaults solely for the months of May, June
and July, 1996.

        SECTION 11. AMENDMENT FEE. The Borrower agrees to pay to the Agent for
the ratable account of each Lender, an amendment fee in an amount equal to
$60,000 (the "AMENDMENT FEE"). The Amendment Fee shall be payable by the
Borrower upon the execution of this Amendment, and the Borrower hereby
irrevocably authorizes the Agent to deduct from the proceeds of a Borrowing of
Revolving B Loans to be made on the date of this Agreement in the amount of
2,000,000, the sum of $60,000 for the ratable account of each Lender as payment
in full of the Amendment Fee.

        SECTION 12. CONTINUING EFFECTIVENESS OF CREDIT AGREEMENT. The Credit
Agreement and each of the other Loan Documents shall remain in full force and
effect in accordance with their respective terms, except as expressly amended or
modified by this Amendment.


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         SECTION 13. COST AND EXPENSES. The Borrower agrees to pay all
reasonable out-of-pocket expenses of the Agent and each of the Lenders party to
this Amendment for the negotiation, preparation, execution and delivery of this
Amendment (including reasonable fees and expenses of counsel to the Agent and
such Lenders).

         SECTION 14. EFFECTIVENESS. This Amendment shall become effective only
upon (i) receipt by the Agent of a copy of this Amendment, duly executed by each
of the Borrower, the Lenders and the Agent, and duly acknowledged and consented
to by the Subsidiaries of the Borrower party to the Subsidiary Guaranty, in the
form attached to this Amendment, (ii) receipt by each of ING and Cerberus of a
duly executed and delivered Revolving B Note in the amount of $2,125,000, (iii)
receipt by legal counsel to ING and Cerberus of payment for fees and expenses
incurred to date, and (iv) receipt by the Lenders and the Agent of an opinion
letter, dated the date hereof, from Skadden, Arps, Slate, Meagher & Flom,
counsel to the Borrower and its Subsidiaries, and Tammy L. Martin, General
Counsel to Borrower and its Subsidiaries, in the form of EXHIBIT B and EXHIBIT C
hereto, respectively.

         SECTION 15. HEADINGS. The various headings of this Amendment are
inserted for convenience only and shall not affect the meaning or interpretation
of this Amendment or any provision hereof.

         SECTION 16. COUNTERPARTS. This Amendment may be executed by the parties
hereto in several counterparts, each of which shall be executed by the Borrower,
the Lenders and the Agent and shall be deemed to be an original and all of which
shall constitute together but one and the same agreement.

         SECTION 17. GOVERNING LAW. THIS AMENDMENT SHALL BE DEEMED TO BE A
CONTRACT MADE UNDER AND GOVERNED BY THE INTERNAL LAWS OF THE STATE OF NEW YORK.

         SECTION 18. SUCCESSORS AND ASSIGNS. This Amendment shall be binding
upon and shall inure to the benefit of the parties hereto and their respective
successors and assigns; PROVIDED, HOWEVER, that the Borrower may not assign or
transfer its rights or obligations hereunder or under the Credit Agreement
except in accordance with the terms of the Credit Agreement.

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         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed by their respective officers thereunto duly authorized as of the day
and year first above written.

                              PHONETEL TECHNOLOGIES, INC.

                              By:_______________________________
                                       Name:
                                       Title:

                                                [CORPORATE SEAL]

                              INTERNATIONALE NEDERLANDEN
                              (U.S.) CAPITAL CORPORATION, in its
                              capacity as Agent and Lender

                              By:_______________________________
                                       James W. Latimer
                                       Managing Director

                              CERBERUS PARTNERS, L.P.

                              By:      CERBERUS ASSOCIATES, L.P.,
                                       Its General Partner

                                       By:_________________________
                                             Name: Stephen Feinberg
                                             Title: General Partner

            [SIGNATURE PAGE TO FOURTH AMENDMENT TO CREDIT AGREEMENT]

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                           ACKNOWLEDGMENT AND CONSENT

         The undersigned hereby acknowledge receipt of a copy of the foregoing
amendment, consent to the terms and provisions set forth therein, and agree that
the Subsidiary Guaranty dated as of March 15, 1996 (the "SUBSIDIARY GUARANTY")
made by each of the undersigned, jointly and severally, in favor of
Internationale Nederlanden (U.S.) Capital Corporation ("ING") and such other
Lenders as are, or may from time to time become, parties to the Credit
Agreement, and ING as Agent for such Lenders, will continue in full force and
effect without diminution or impairment notwithstanding the execution and
delivery of the amendment. The undersigned further acknowledge and agree that,
upon effectiveness of the amendment and from and after the date thereof, each
reference to the Credit Agreement in the Subsidiary Guaranty and each other Loan
Document (as such term is defined in the Credit Agreement) to which any of the
undersigned is a party shall mean and be a reference to the Credit Agreement as
amended by the foregoing amendment.

PUBLIC TELEPHONE CORPORATION

By:_______________________________
     Name:
     Title:

                  [CORPORATE SEAL]

WORLD COMMUNICATIONS, INC.

By:_______________________________
     Name:
     Title:

                  [CORPORATE SEAL]

                [ACKNOWLEDGMENT AND CONSENT TO FOURTH AMENDMENT]

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NORTH FLORIDA TELEPHONE CORPORATION

By:_______________________________
     Name:
     Title:

                  [CORPORATE SEAL]

PARAMOUNT COMMUNICATIONS SYSTEMS, INC.

By:_______________________________
     Name:
     Title:

                  [CORPORATE SEAL]

PHONETEL III, INC.

By:_______________________________
     Name:
     Title:

                  [CORPORATE SEAL]

                [ACKNOWLEDGMENT AND CONSENT TO FOURTH AMENDMENT]


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                                    EXHIBIT A
                                    ---------

                           [List of Accounts Payable]

                    [TO BE PROVIDED BY PHONETEL TECHNOLOGIES]

                                      A- 1


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                                    EXHIBIT B
                                    ---------

            [Form of Opinion of Skadden, Arps, Slate, Meagher & Flom]

                                      B- 1


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                                    EXHIBIT C
                                    ---------

                      [Form of Opinion of Tammy L. Martin]

                                      C- 1