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                                                                    Exhibit 4.52

FIRST AMENDMENT TO SUPPLY CONTRACT FOR THE PROCUREMENT AND INSTALLATION OF RING
      JASUKA BACKBONE NO. K.TEL 10/HK920/UTA-00/2006 DATED 6 FEBRUARY 2006

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The Parties:            1. TELKOM;

                        2. NEC-SIEMENS CONSORTIUM.

Preceding Agreements:   Supply Contract No. KTEL.93/HK.910/UTA-00/2005 dated 10
                        June 2005.

Amended Provisions:     The parties agree to amend technical provisions on the
                        project manager to become as follows: "Project Manager
                        was appointed by TELKOM who shall be duty authorized and
                        to act for and on behalf of TELKOM in the execution of
                        the Project is Head of TELKOM Construction Center (KAPUS
                        CC)";

                        The parties agree to amend provision on TELKOM address
                        to become as follows:

                        TELKOM

                        Project Manager for Ring Jasuka Backbone
                        PT TELEKOMUNIKASI INDONESIA Tbk.
                        Head of Telkom Construction Center
                        Telkom Building 6th Floor
                        Jalan Japati Nomor 1
                        Bandung - 40133, Indonesia
                        Phone: (022) 7209022
                        Fax No.: (022) 7206530

                        CC: Director of Network and Solution
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                                                                    Exhibit 4.53

SECOND AMENDMENT OF THE SUPPLY CONTRACT FOR THE PROCUREMENT AND INSTALLATION OF
RING JASUKA BACKBONE NO. K. TEL. 61/HK.920/UTA-00/2006, DATED 16 MARCH 2006

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Parties:               1.   TELKOM; and

                       2.   NEC - Siemens Consortium ("NSC").

Preceding Contracts:   1.   Supply Contract for Ring JASUKA Backbone No.
                            K.TEL.93/HK.910/UTA-00/2005 dated 10 June 2005;

                       2.   First Amendment of Main Contract No. K.TEL
                            10/HK.920/UTA-00/2006, dated 6 February 2006.

Scope of Works:        The Parties in the Design Review Meeting for Ring JASUKA
                       Backbone on 21 - 22 June 2005, 1-5 August 2005 and 29 -
                       31 August 2005, agreed to amend the scope of works as
                       implemented in the main contract which shall include but
                       not limited to:

                       1.   Change of specification of marine route survey and
                            marine installation;

                       2.   Change of cable length according to land and marine
                            route survey;

                       3.   Change of traffic matrix;

                       4.   Addition of transponder;

                       5.   Change of power supply; and

                       6.   Change of Training.

Time for Completion:   1.   Each Sub-system of RING-I shall be completed within
                            two hundred fifty six (256) days from EDC for
                            Sub-system #1 - #3 or not later than 21 February
                            2006;

                       2.   Each Sub-system of RING-II shall be completed within
                            two hundred eighty four (284) days from EDC for
                            Sub-system #1 or not later than 21 March 2006 and
                            within three hundred forty five (345) days from EDC
                            for Sub-systems #2 - #4 or not later than 21 May
                            2006.

Term of Payment:       The payment shall be made through direct transfer.
                       Transfer fee shall be the responsibility of NSC.
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                                                                    Exhibit 4.54

THIRD AMENDMENT TO SUPPLY CONTRACT FOR PROCUREMENT AND INSTALLATION OF RING
JASUKA BACKBONE NO.K.TEL 32/HK.920/UTA-00/2007, DATED 7 FEBRUARY 2007

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Parties:               1.   TELKOM; and

                       2.   NEC-Siemens Consortium ("NEC").

Preceding Contracts:   1.   Main Contract - No.K.TEL.93/HK.910/UTA-00/2005 dated
                            10 June 2005;

                       2.   First Amendment - No.K.TEL.10/HK.920/UTA-00/2006
                            dated 6 February 2006;

                       3.   Second Amendment - No.K.TEL.61/HK.920/UTA-00/2006
                            dated 16 March 2006;

                       4.   Amendment No. 3 - No.Tel.248/HK.930/UTA-00/2004
                            dated 29 October 2004.

Amended Provisions:    1.   Article 2 of the Second Amendment, as follows: "The
                            entire Work under the Contract shall be completed as
                            follows:

                            a.   Each Sub-system of RING-I shall be completed as
                                 follows:

                                 -    Within 256 (two hundred fifty-six) days
                                      from EDC for Sub-system #1 - #2 or not
                                      later than February 21st, 2006;

                                 -    Within 273 (two hundred seventy-three)
                                      days from EDC for Sub-system #3 or not
                                      later than March 10th, 2006.

                            b.   Each Sub-system of RING-II shall be completed
                                 as follows:

                                 -    Within 284 (two hundred eighty-four) days
                                      from EDC for Sub-system #1 or not later
                                      than March 21st, 2006;

                                 -    Within 416 (four hundred sixteen) days
                                      from EDC for Sub-system #2 or not later
                                      than July 31st, 2006;

                                 -    Within 345 (three hundred forty-five) days
                                      from EDC for Sub-system #3 - #4 or not
                                      later than May 21st, 2006.
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                       2.   Article 4.1 of the Second Amendment regarding
                            Contract Price.
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                                                                    Exhibit 4.55

                       AMENDED AND RESTATED KSO AGREEMENT
             NO. K.TEL 310/HK.820/UTA-00/2006 DATED 19 OCTOBER 2006

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Parties:              1.   TELKOM; and

                      2.   PT Bukaka Singtel International ("BUKAKA").

Scope of Agreement:   BUKAKA has planned, designed, constructed, financed and
                      operated in excess of 326,131 Access Line Units within the
                      framework of a co-operative joint operating scheme ("KSO")
                      with TELKOM.

Signing Date:         19 October 2006 and shall terminate on 31 December 2010.

Obligations:          TELKOM

                      1.   TELKOM shall grant BUKAKA access to information, the
                           sites, locations and other facilities as may be
                           reasonably required by BUKAKA;

                      2.   TELKOM shall ensure that the existing installation is
                           at all times available for use;

                      3.   TELKOM shall indemnify and save harmless BUKAKA in
                           respect of all damages, losses or costs incurred by
                           BUKAKA as result of any material breach by TELKOM;

                      4.   TELKOM shall not take or omit to take any action,
                           which could interfere with or interrupts the normal
                           functioning of KSO system.

                      BUKAKA

                      1.   BUKAKA shall not transfer, pledge, assign or
                           otherwise encumber any rights in or to all or any
                           part of the new installation without prior written
                           consent from TELKOM;

                      2.   BUKAKA shall indemnify and save harmless TELKOM in
                           respect of all damages, losses or costs incurred by
                           TELKOM as result of any material breach by BUKAKA;

                      3.   BUKAKA shall not make or permit any change in its
                           ownership structure without consent of TELKOM.

Assignment:           The rights of a party arising under this agreement may not
                      be assigned by any party without the prior written consent
                      of the other party.

Confidentiality:      No party may communicate or use any confidential
                      information or permit the communication or use of
                      confidential information to or by any person other than
                      its own shareholders, lenders, professional advisors,
                      management, personnel, employees and sub-contractors who
                      need to know or use such information for the purposes
                      related to the agreement.

Taxes:                All taxes and other duties shall be the responsibility of
                      each party in accordance with the prevailing laws and
                      regulations.
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Dispute Resolution:   1.   Both parties shall use their best efforts and shall
                           co-operate and negotiate in good faith to resolve any
                           and all disputes;

                      2.   Any dispute which relates to the implementation of
                           regulatory or policy matters shall be referred to and
                           decided by the Minister of Communications and
                           Informatics of the Republic of Indonesia;

                      3.   The parties may submit the dispute to arbitration
                           under the rules of the Singapore International
                           Arbitration Center if the parties are unable to reach
                           settlement after 30 days.

Governing Law:        The agreement is governed by, construed and interpreted in
                      accordance with the laws of the Republic of Indonesia.
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