<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>gtti13dam5.txt
<DESCRIPTION>SC13D/AM5
<TEXT>
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13D
                    Under the Securities Exchange Act of 1934
                               (Amendment No. 5)*


                        Global Telecom & Technology, Inc.
                 (formerly, Mercator Partners Acquisition Corp.)
--------------------------------------------------------------------------------
                                (Name of Issuer)

                    Common Stock, par value $0.0001 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    378979108
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                J. Carlo Cannell
                              Cannell Capital, LLC
                       P.O. Box 3459, 240 E. Deloney Ave.
                                Jackson, WY  83001
                                 (415) 835-8300
--------------------------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                   May 8, 2008
--------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)


If the filing person has previously  filed a statement on Schedule l3G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule  because of Sections 240.13d-1(e),  240.13d-1(f) or 240.13d-1(g), check
the following box. [ ]

Note:  Schedules  filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits.  See Section 240.13d-7 for other
parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).

           Potential persons who are to respond to the collection of
         information contained in this form are not required to respond
          unless the form displays a current valid OMB control number.

<PAGE>

Cusip No.      378979108
--------------------------------------------------------------------------------
1.  Names of Reporting Persons.  I.R.S. Identification Nos. of above persons
   (entities only):

                      J. Carlo Cannell
--------------------------------------------------------------------------------
2.  Check the Appropriate Box if a Member of a Group (See Instructions):
         (a)
         (b)
--------------------------------------------------------------------------------

3.  SEC Use Only
--------------------------------------------------------------------------------

4.  Source of Funds (See Instructions):  WC/OO
--------------------------------------------------------------------------------

5.  Check if  Disclosure  of  Legal  Proceedings Is  Required Pursuant  to Items
    2(d) or 2(e):
--------------------------------------------------------------------------------

6.  Citizenship or Place of Organization:  USA
--------------------------------------------------------------------------------

    Number of                      7. Sole Voting Power:              5,311,016*
                                      ------------------------------------------
    Shares Beneficially            8. Shared Voting Power:                    0
                                      ------------------------------------------
    Owned by
    Each Reporting                 9. Sole Dispositive Power:         5,311,016*
                                      ------------------------------------------
    Person With                   10. Shared Dispositive Power:               0
                                      ------------------------------------------
--------------------------------------------------------------------------------

11. Aggregate Amount Beneficially Owned by Each Reporting Person:     5,311,016*
--------------------------------------------------------------------------------

12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares
    (See Instructions):
--------------------------------------------------------------------------------
13. Percent of Class Represented by Amount in Row (11):     35.9%*
--------------------------------------------------------------------------------
14. Type of Reporting Person (See Instructions):   IN
--------------------------------------------------------------------------------
*    Based on  information  set forth  on the  Form  10-K  of  Global Telecom  &
Technology,  Inc. (the  "Company"),  as filed with the  Securities  and Exchange
Commission (the "SEC") on March 27, 2008,  there were  14,775,279  shares of the
Company's common stock,  par value $0.0001 per share (the "Shares"),  issued and
outstanding  as of March 24,  2008.  As of May 8, 2008 (the  "Reporting  Date"),
Anegada Master Fund Limited  ("Anegada") and Tonga Partners,  L.P.  ("Tonga" and
collectively  with  Anegada,  the "Funds")  owned in the aggregate (i) 3,087,016
Shares (ii) 1,402,100 Class W warrants,  each  exercisable to purchase one Share
as of October 16, 2006, and (iii) 821,900 Class Z warrants,  each exercisable to
purchase  one Share as of October  16,  2006.  Cannell  Capital  LLC acts as the
investment  adviser  to Anegada  and is the  general  partner of and  investment
adviser  to Tonga.  Mr. J. Carlo  Cannell  is  the sole  managing  member of the
Adviser. As a result, Mr. Cannell possesses the sole power to vote and to direct
the disposition of the securities  held by the Funds.  Thus, as of the Reporting
Date,  for the  purposes  of Reg. Section  240.13d-3,  Mr. Cannell is  deemed to
beneficially own 5,311,016 Shares,  or approximately  35.9% of the Shares deemed
issued and outstanding as of the Reporting Date.
     In  addition,  based on  information  set  forth  on the  Form  10-Q of the
Company,  as filed with the SEC on May 14, 2008,  there were  14,961,707  Shares
issued and outstanding  as of May 12, 2008.  As of May 14, 2008, the Funds owned
in the aggregate  (i) 3,097,016  Shares (ii)  1,402,100  Class W warrants,  each
exercisable  to purchase  one Share as of October 16,  2006,  and (iii)  821,900
Class Z warrants, each exercisable to purchase one Share as of October 16, 2006.


<PAGE>


Thus,  as of  May 14,  2008,  for the  purposes of Reg. Section  240.13d-3,  Mr.
Cannell is deemed to beneficially own 5,321,016 Shares or approximately 35.6% of
the Shares deemed issued and outstanding as of May 14, 2008. As of May 15, 2008,
the Funds owned in the  aggregate (i) 3,117,016  Shares (ii)  1,402,100  Class W
warrants,  each  exercisable  to purchase one Share as of October 16, 2006,  and
(iii) 821,900  Class Z warrants,  each  exercisable  to purchase one Share as of
October 16, 2006.  Thus,  as of May 15, 2008,  for the purposes of Reg.  Section
240.13d-3,  Mr. Cannell  is  deemed to  beneficially  own  5,341,016  Shares  or
approximately  35.7% of the Shares deemed issued and  outstanding  as of May 15,
2008.










<PAGE>


Item 3.   Source and Amount of Funds or Other Consideration
          -------------------------------------------------

          All of the  funds  used  in  making  the  purchase  of the  securities
described  in Item 5 of this  Schedule  13D, as  amended,  came from the working
capital of the Funds. As of May 8, 2008 (the "Reporting  Date"),  the Funds have
invested  an  aggregate  amount  of  $9,223,200  in  the  Shares  or  securities
convertible  or  exercisable  into Shares.  As of  May 14, 2008,  the Funds have
invested  an  aggregate  amount  of  $9,229,600  in  the  Shares  or  securities
convertible  or exercisable into Shares.   As  of May 15, 2008,  the Funds  have
invested  an  aggregate  amount  of  $9,241,700  in  the  Shares  or  securities
convertible or exercisable into Shares.


Item 5.   Interest in Securities of the Issuer
          ------------------------------------

          Based on information set forth in the Company's 10-K as filed with the
Securities  and Exchange  Commission  on March 27, 2008,  there were  14,775,279
Shares issued and  outstanding as of March 24, 2008.  As of the Reporting  Date,
the Funds owned in the aggregate (i) 3,087,016  Shares,  (ii) 1,402,100  Class W
warrants,  each  exercisable  to purchase one Share as of October 16, 2006,  and
(iii) 821,900  Class Z warrants,  each  exercisable  to purchase one Share as of
October 16, 2006. The Adviser acts as the  investment  adviser to Anegada and is
the general partner of and investment  adviser to Tonga. Mr. J. Carlo Cannell is
the sole managing member of the Adviser.

          In addition,  based on information  set forth in the Company's 10-Q as
filed with the SEC on May 14,  2008,  there were  14,961,707  Shares  issued and
outstanding  as of May 12, 2008.  As of May 14, 2008,  the  Funds  owned in  the
aggregate (i) 3,097,016 Shares (ii) 1,402,100 Class W warrants, each exercisable
to  purchase  one  Share as of  October  16,  2006,  and (iii)  821,900  Class Z
warrants,  each exercisable to purchase one Share as of October 16, 2006.  As of
May 15,  2008,  the Funds  owned in the  aggregate  (i)  3,117,016  Shares  (ii)
1,402,100 Class W warrants, each exercisable to purchase one Share as of October
16, 2006, and (iii) 821,900 Class Z warrants,  each  exercisable to purchase one
Share as of October 16, 2006.

          (a)   As of the Reporting  Date,  for  the  purposes  of  Reg. Section
240.13d-3,  Mr. Cannell is  deemed to  beneficially  own  5,311,016  Shares,  or
approximately  35.9% of the Shares deemed  outstanding as of the Reporting Date.
In addition, as of May 14, 2008, for the purposes of Reg. Section 240.13d-3, Mr.
Cannell is deemed to beneficially own 5,321,016 Shares or approximately 35.6% of
the Shares deemed issued and outstanding as of May 14, 2008. As of May 15, 2008,
for  the  purposes  of  Reg.  Section  240.13d-3,   Mr.  Cannell  is  deemed  to
beneficially own 5,341,016  Shares or  approximately  35.7% of the Shares deemed
issued and outstanding as of May 15, 2008.

          (b)   Mr. Cannell possesses  the sole  power to vote and to direct the
disposition of the securities held by the Funds.

          (c)   The following table details  the  transactions during  the sixty
days on or prior to the  Reporting  Date,  or since  the most  recent  filing on
Schedule  13D, and from the Reporting  Date through May 15, 2008, in Shares,  or
securities  convertible into, exercisable for or exchangeable for Shares, by Mr.
Cannell or any other person or entity  controlled by him or any person or entity
for which he possesses voting or investment control over the securities thereof.


                                   (Purchases)

      Date          Security       Quantity         Price        How Effected
      ----          --------       --------         -----        ------------
   05/08/2008        Shares       1,475,000         $0.45      Private Purchase
   05/14/2008        Shares          10,000         $0.64     Ordinary Brokerage
   05/15/2008        Shares          20,000         $0.61     Ordinary Brokerage


                                     (Sales)

                                      None.


          (d)   Not applicable.

          (e)   Not applicable.

<PAGE>


                                    Signature
                                    ---------

          After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.


                                      May 15, 2008


                                      /s/ J. Carlo Cannell
                                      ------------------------------------------
                                      J. Carlo Cannell in  his  capacity as  the
                                      Managing  Member of  Cannell  Capital LLC,
                                      investment adviser to  Anegada Master Fund
                                      Limited  and  the general  partner of  and
                                      investment adviser to Tonga Partners, L.P.


  Attention: Intentional misstatements or omissions of fact constitute Federal
                   criminal violations (See 18 U.S.C. 1001).


</TEXT>
</DOCUMENT>