Document:

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                                                                     EXHIBIT 4.9

        AMENDMENT TO THE CONTACT CENTER SERVICE AGREEMENT, IDENTIFIED AS
                                   CN 0988/04

By this private Instrument, ORBITALL SERVICOS E PROCESSAMENTO DE INFORMACOES
COMERCIAIS LTDA., having registered offices in the city of Sao Caetano do Sul,
State of Sao Paulo, at Rua Manoel Coelho, n 600, 1 Piso, enrolled with the
Finance Ministry under CNPJ no. 00.006.878/0001-34, hereinafter referred to as
ORBITALL, and TNL CONTAX S.A., a corporation having registered offices at
Avenida Ceci, 1900 - Parte, Centro, in the city of Barueri, State of Sao Paulo,
enrolled with the Finance Ministry under CNPJ no. 02.757.614/0001-48,
hereinafter referred to as PARTNER, by their undersigned legal representatives,
in accordance with their respective articles of association/by-laws, mutually
agree, as from the execution date of this Instrument, to amend the Clauses and
Conditions of the Contact Center Service Agreement identified as CN 0988/04,
entered into on April 01, 2004, hereinafter referred to as AGREEMENT, as
follows:

     1.   The parties decide to amend items 3rd Quarter and 4th Quarter of the
          table included in item 1.4 of Attachment III to the Agreement, which
          shall have the following contents as from the execution date of this
          Instrument:

                                    "INCREASE

<TABLE>
<CAPTION>
                3rd Quarter                    4th Quarter
       -----------------------------   --------------------------
Site   October   November   December   January   February   March
----   -------   --------   --------   -------   --------   -----
<S>    <C>       <C>        <C>        <C>       <C>        <C>
RJ       1.10      1.10       1.10       1.01      1.01      1.01
SSA      1.26      1.14       1.02       0.94      0.94      0.94
SP       1.10      1.10       1.10       1.01      1.01      1.01
</TABLE>

     1.1  The parties agree that, as from April 2005, no price increase factor
          shall exist. Any changes in this rule should be negotiated by the
          parties, by means of execution of an amendment.

     2.   The remaining clauses and conditions of the Agreement not expressly
          altered by this instrument remain unchanged.

     3.   The parties declare, subject to legal penalties, that the signatories
          of this instrument are their attorneys-in-fact/legal representatives,
          duly authorized by their respective By-laws, having powers to assume
          the obligations set out herein.

PARTNER further declares that the signatory(ies) of this Agreement,
Mr. ________________________ and Mr. ___________________, have his(their)
signature(s) recorded with Notary Public ____________________________________ in
the city of ________________.

     4.   In witness whereof, the parties made the present instrument to be
          executed in two (2) counterparts of equal contents and form, both
          constituting one document, in the presence of the witnesses below.

                                                      Sao Paulo, October 1, 2004

By                                      by
ORBITALL SERVICOS E                     TNL CONTAX S.A.
PROCESSAMENTO DE
INFORMACOES COMERCIAIS LTDA.

Witnesses:

By:                                     by:
    ---------------------------------       ------------------------------------
Name:                                   Name
      -------------------------------        -----------------------------------
ID no:                                  ID no.:
       ------------------------------           --------------------------------<PAGE>

                                                                    EXHIBIT 4.10

            AMENDMENT TO CONTACT CENTER SERVICE AGREEMENT, IDENTIFIED
                                  AS CN 0988/04

By this private Agreement, entered into by ORBITALL SERVICOS E PROCESSAMENTO DE
INFORMACOES COMERCIAIS LTDA., having registered office at Rua Manoel Coelho,
600, 1st floor, Sao Caetano do Sul / SP, enrolled with the Ministry of Finance
(CNPJ/MF) under number 00.006.878/001-34, hereinafter referred to as ORBITALL,
and TNL CONTAX S.A., a corporation having registered office in the City of
Barueri, Sao Paulo state, Av. Ceci, 1900 - Part, Center, enrolled with the
Ministry of Finance (CNPJ/MF) under number 02.757.614/001-48, hereinafter
referred to as PARTNER, represented by their legal representatives pursuant to
their Articles of Incorporation/By-laws, mutually agree, as from the date of
execution of this agreement, to change the Clauses and Conditions of the Contact
Center Service Agreement, identified as CN 0988/04, entered into on April 01,
2004 as follows:

WHEREAS the PARTNER has branches at the following addresses:

Rua do Passeio, 42, Pav. 2 to 11 and 48 to 56, Center, Rio de Janeiro - RJ,
enrolled with the Ministry of Finance (CMPJ/MF) under number 02.757.614/0017-05;

Av. Paulista, 2073, 11th and 12th floors, Cerqueira Cesar, Sao Paulo - SP,
enrolled with the Ministry of Finance (CNPJ/MF) under number 02.757.614/0020-00;
and

Rua Professora Anfrisia Santiago, 212, Nazare, Salvador - Bahia, enrolled with
the Ministry of Finance (CNPJ/MF) under number 02.757.614/0008-14.

1. The parties agree to change item 4.4 of Clause Four - "Prices and Payment
Conditions", which will enter in force with the following wording, as from the
date of execution of this Agreement:

"4.4 - The remuneration shall be paid by ORBITALL to the PARTNER, when the
PARTNER does not directly invoice ORBITALL's Customers, up to the fifteenth
working day of the month subsequent to that of the Service rendering, and the
PARTNER's invoices shall be presented to ORBITAL until at most the tenth working
day of the month subsequent to that of said Services. In the event of direct
invoicing, the PARTIES shall agree to the due dates of the respective invoices
of the PARTNER, and when the due date falls up to the fifteenth working day
subsequent to the month when the related Service was rendered, PARTNER shall not
be entitled to indemnification.

2. All other clauses and conditions of the agreement hereby amended remain
effective, not being expressly changed by this instrument.

                                        1

<PAGE>

3. The contracting parties declare, subject to the penalties of the Law, that
the undersigned names in this agreement are their legal
attorneys-in-fact/representatives, duly constituted by their respective Articles
of Incorporation/By-laws, with powers to take on the obligations agreed upon
herein.

The PARTNER also declares that the undersigned name(s) in this Agreement Mr.
_____________ and Mr. ___________________, have their signatures registered at
the _____________________________ Notary Office(s) of the City of _________.

4. In witness whereof the parties hereto have set their hands to two (2) copies
of equal wording in the presence of the witnesses below.

Sao Paulo , April 1, 2005

1.07.3 Claudio Sales

             [signature]                               [signature]
-------------------------------------   ----------------------------------------
ORBITALL SERVICOS E PROCESSAMENTO       TNL CONTAX S.A.
DE INFORMACOES COMERCIAIS LTDA.

Witnesses:

             [signature]                               [signature]
-------------------------------------   ----------------------------------------
Name: Maria Conceicao Henrique          Name: Claudia M. Cruz
ID: RG 18.462.419-8                     ID: RG 20.039.686-9<PAGE>

                                                                    EXHIBIT 4.11

          AMENDMENT DO CONTACT CENTER SERVICES AGREEMENT, IDENTIFIED AS
                                   CN 0988/04

By this private Instrument, ORBITALL SERVICOS E PROCESSAMENTO DE INFORMACOES
COMERCIAIS S.A., a corporation having registered offices in the city of Sao
Caetano do Sul, State of Sao Paulo, at Rua Manoel Coelho, n 600, 1 Piso,
enrolled with the Finance Ministry under CNPJ no. 00.006.878/0001-34,
hereinafter referred to as ORBITALL, and TNL CONTAX S.A., a corporation having
registered offices at Rua do Passeio, n 48 a 56 - parte, Centro, in the city
of Rio de Janeiro, State of Rio de Janeiro, enrolled with the Finance Ministry
under CNPJ no. 02.757.614/0001-48, hereinafter referred to as PARTNER, by their
undersigned legal representatives, in accordance with their respective by-laws,
mutually agree, as from the execution date of this Instrument, to amend the
Clauses and Conditions of the Contact Center Service Agreement identified as CN
0988/04, entered into on April 01, 2004, hereinafter referred to as AGREEMENT,
as follows:

1. Considering that PARTNER will cease to provide ORBITALL with services
relating to Citiphone Banking as from this date, the parties agree to exclude
from the Agreement the provision of the following services:

     -    CITIPHONE BANKING;

     -    CITIPHONE BANKING ELECTRONIC CUSTOMER SERVICE;

     -    CITIPHONE BANKING RECORDING;

     -    WELCOME CALL CITIPHONE BANKING;

     -    CITIPHONE BANKING SATISFACTION SURVEY;

     -    CITIBUSINESS CITIPHONE BANKING;

     -    CITIPHONE BANKING RELATIONSHIP (PROACTIVE);

     -    CITIPHONE BANKING RELATIONSHIP.

2. The remaining clauses and conditions of the Agreement not expressly altered
by this instrument remain unchanged.

3. The parties declare, subject to legal penalties, that the signatories of this
instrument are their attorneys-in-fact/legal representatives, duly authorized by
their respective By-laws, having powers to assume the obligations set out
herein.

PARTNER further declares that the signatory(ies) of this Agreement,
Mr. ________________________ and Mr. ___________________, have his(their)
signature(s) recorded with Notary Public ____________________________________ in
the city of ________________.

4. In witness whereof, the parties made the present instrument to be executed in
two (2) counterparts of equal contents and form, both constituting one document,
in the presence of the witnesses below.

                                                        Sao Paulo, May 10, 2006.

-------------------------------------   ----------------------------------------
ORBITALL SERVICOS E PROCESSAMENTO       TNL CONTAX S.A
DE INFORMACOES COMERCIAIS S.A.

Witnesses:

-------------------------------------   ----------------------------------------
Name:                                   Name:
      -------------------------------         ----------------------------------
ID no.:                                 ID no.:
        -----------------------------           --------------------------------
Address:                                Address:
         ----------------------------            -------------------------------

                                        1

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