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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                                (Amendment No. 8)


                                  TRINSIC, INC.
                                (Name of Issuer)

                                  COMMON STOCK
                         (Title of Class of Securities)

                                    988792107
                                 (CUSIP Number)

                               LAWRENCE C. TUCKER
                          Brown Brothers Harriman & Co.
                                  140 Broadway
                               New York, New York
                                 (212) 483-1818
                     (Name, Address and Telephone Number of
                      Person Authorized to Receive Notices
                               and Communications)

                                December 15, 2005
                     (Date of Event which Requires Filing of
                                 this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ].

*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).

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CUSIP No. 988792107                SCHEDULE 13D              Page 2 of 9 Pages
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1    NAME OF REPORTING PERSON

     THE 1818 FUND III, L.P.
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP              (a)    [X]
                                                                   (b)    [_]
--------------------------------------------------------------------------------
3    SEC USE ONLY

--------------------------------------------------------------------------------
4    SOURCE OF FUNDS

     OO
--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(D) OR 2(E)                                                   
                                                                          [_]
--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     DELAWARE
--------------------------------------------------------------------------------

              NUMBER OF                        
                                    7     SOLE VOTING POWER        
               SHARES       
                                          -0-                                 
            BENEFICIALLY        ------------------------------------------------
                                    8     SHARED VOTING POWER                  
              OWNED BY                                              
                                          14,592,428 See Item 5              
                EACH            ------------------------------------------------
                                    9     SOLE DISPOSITIVE POWER              
              REPORTING                                             
                                          -0-                              
               PERSON           ------------------------------------------------
                                    10    SHARED DISPOSITIVE POWER            
                WITH                                                
                                          14,592,428 See Item 5
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     14,592,428 See Item 5.
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  

                                                                          [_]
--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     83.2%%
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON

     PN
--------------------------------------------------------------------------------



CUSIP No. 988792107                SCHEDULE 13D              Page 3 of 9 Pages
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1    NAME OF REPORTING PERSON

     BROWN BROTHERS HARRIMAN & CO.
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP              (a)    [X]
                                                                   (b)    [_]
--------------------------------------------------------------------------------
3    SEC USE ONLY

--------------------------------------------------------------------------------
4    SOURCE OF FUNDS

     OO
--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(D) OR 2(E)                                                   
                                                                          [_]
--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     NEW YORK
--------------------------------------------------------------------------------

              NUMBER OF                        
                                    7     SOLE VOTING POWER        
               SHARES       
                                          -0-                                 
            BENEFICIALLY        ------------------------------------------------
                                    8     SHARED VOTING POWER                  
              OWNED BY                                              
                                          14,592,428 See Item 5              
                EACH            ------------------------------------------------
                                    9     SOLE DISPOSITIVE POWER              
              REPORTING                                             
                                          -0-                              
               PERSON           ------------------------------------------------
                                    10    SHARED DISPOSITIVE POWER   
                WITH                                                
                                          14,592,428 See Item 5  
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     14,592,428 See Item 5.
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  

                                                                          [_]
--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     83.2%%
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON

     PN
--------------------------------------------------------------------------------



CUSIP No. 988792107                SCHEDULE 13D              Page 4 of 9 Pages
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1    NAME OF REPORTING PERSON

     T. MICHAEL LONG
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP              (a)    [X]
                                                                   (b)    [_]
--------------------------------------------------------------------------------
3    SEC USE ONLY

--------------------------------------------------------------------------------
4    SOURCE OF FUNDS

     OO
--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(D) OR 2(E)                                                   
                                                                          [_]
--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     UNITED STATES
--------------------------------------------------------------------------------

              NUMBER OF                        
                                    7     SOLE VOTING POWER        
               SHARES       
                                          -0-                                 
            BENEFICIALLY        ------------------------------------------------
                                    8     SHARED VOTING POWER                  
              OWNED BY                                              
                                          14,592,428 See Item 5              
                EACH            ------------------------------------------------
                                    9     SOLE DISPOSITIVE POWER              
              REPORTING                                             
                                          -0-                              
               PERSON           ------------------------------------------------
                                    10    SHARED DISPOSITIVE POWER     
                WITH                                                
                                          14,592,428 See Item 5  
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     14,592,428 See Item 5.
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  

                                                                          [_]
--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     83.2%
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON

     IN
--------------------------------------------------------------------------------



CUSIP No. 988792107                SCHEDULE 13D              Page 5 of 9 Pages
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1    NAME OF REPORTING PERSON

     LAWRENCE C. TUCKER
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP              (a)    [X]
                                                                   (b)    [_]
--------------------------------------------------------------------------------
3    SEC USE ONLY

--------------------------------------------------------------------------------
4    SOURCE OF FUNDS

     OO
--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(D) OR 2(E)                                                   [_]

--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     UNITED STATES
--------------------------------------------------------------------------------

              NUMBER OF                        
                                    7     SOLE VOTING POWER        
               SHARES       
                                          2,031
            BENEFICIALLY        ------------------------------------------------
                                    8     SHARED VOTING POWER                  
              OWNED BY                                              
                                          14,592,428  See Item 5              
                EACH            ------------------------------------------------
                                    9     SOLE DISPOSITIVE POWER              
              REPORTING                                             
                                          2,031
               PERSON           ------------------------------------------------
                                    10    SHARED DISPOSITIVE POWER   
                WITH                                                
                                          14,592,428  See Item 5  
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     14,594,459  See Item 5.
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  

                                                                          [_]
--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     84.0%
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON

     IN
--------------------------------------------------------------------------------



CUSIP No. 988792107                SCHEDULE 13D             Page 6 of 9 Pages
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EXPLANATORY NOTE

         This Amendment No. 8 ("AMENDMENT NO. 8") to Schedule 13D is filed by
the undersigned to amend and supplement the Schedule 13D filed on November 20,
2000 (the "ORIGINAL 13D"), as amended by Amendment No. 1 to Schedule 13D filed
on July 12, 2001 ("Amendment No. 1"), Amendment No. 2 to Schedule 13D filed on
August 9, 2001 ("AMENDMENT NO. 2"), Amendment No. 3 to Schedule 13D filed on
August 26, 2004 ("AMENDMENT NO. 3"), Amendment No. 4 to Schedule 13D filed on
December 3, 2004 ("AMENDMENT NO. 4"), Amendment No. 5 to Schedule 13D filed on
July 18, 2005 ("AMENDMENT NO. 5"), Amendment No. 6 to Schedule 13D filed on
September 2, 2005 ("AMENDMENT NO. 6"), and Amendment No. 7 to Schedule 13D filed
on October 3, 2005 ("AMENDMENT NO. 7"), relating to the common stock (the
"COMMON STOCK"), par value $.01 per share, issued by Trinsic, Inc., a Delaware
corporation (the "COMPANY"). Unless otherwise indicated, all capitalized terms
shall have the same meaning as provided in the Original 13D as amended by
Amendment No.1, Amendment No. 2, Amendment No.3, Amendment No.4, Amendment No.
5, Amendment No. 6 and Amendment No. 7.

ITEM 1.  SECURITY AND ISSUER.

         No Change.

ITEM 2.  IDENTITY AND BACKGROUND.

         No Change.

ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

         No Change.

ITEM 4.  PURPOSE OF TRANSACTION.

         No Change.




CUSIP No. 988792107                SCHEDULE 13D             Page 7 of 9 Pages
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ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER.

         Item 5 is hereby amended and supplemented by the addition of the
following:

         As of the date hereof, based on calculations made in accordance with
Rule 13d-3 promulgated under the Exchange Act and there being 17,531,889 shares
of Common Stock outstanding (as of November 8, 2005 according to the Company's
Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2005
as filed by the Company with the Securities and Exchange Commission on November
14, 2005), the number of shares of Common Stock the Fund, BBH, Long and Tucker
would be deemed to own and the percent of the outstanding shares of Common Stock
are as follows:

                         SHARES                    PERCENTAGE
                         ------                    ----------
Fund                     14,592,428                83.2%
BBH                      14,592,428                83.2%
Long                     14,592,428                83.2%
Tucker                   14,594,459                84.0%


ITEM 6.   CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH
          RESPECT TO THE COMMON STOCK OF THE ISSUER.

         Item 6 is hereby amended and supplemented by the addition of the
following:

         On December 15, 2005, in consideration for a loan in the aggregate
principal amount of $1,000,000, the Company executed a promissory note (the
"Note") in favor of the Fund in an aggregate principal amount of $1,000,000.00
and bearing interest at a rate of twelve percent (12%) per annum payable
quarterly commencing on January 1, 2006. The Note is payable immediately upon
demand by the Fund. The Company has the right to prepay the Note in whole or in
part at any time, without premium or penalty.



CUSIP No. 988792107                SCHEDULE 13D             Page 8 of 9 Pages
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As security for the Note, the Company agreed, if and to the extent requested by
the Fund, to (a) grant a security interest to the Fund in all real property and
personal property assets (other than accounts receivable) of the Company or its
subsidiaries and (b) cause each subsidiary of the Company to guarantee the
Company's obligations under the Note. The Fund has requested and the Company is
in the process of granting a mortgage on certain real property owned by the
Company in Atmore, Alabama where the Company has an operations facility.

The foregoing description of the Note does not purport to be complete and is
qualified in its entirety by reference to the Note, a copy of which is attached
hereto as Exhibit 1 to this Amendment No. 8.

ITEM 7.   MATERIAL TO BE FILED AS EXHIBITS.

          1.      Promissory Note, dated as of December 15, 2005, made
                  by the Company in favor of The 1818 Fund III, L.P.



CUSIP No. 988792107                SCHEDULE 13D             Page 9 of 9 Pages
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                                    SIGNATURE

          After reasonable inquiry and to the best of its knowledge and belief,
each of the undersigned certifies that the information set forth in this
statement is true, complete and correct.

Dated:    December 20, 2005

                                         THE 1818 FUND III, L.P.

                                         By: Brown Brothers Harriman & Co.,
                                             General Partner


                                         By: /s/ Lawrence C. Tucker
                                             --------------------------------
                                             Name:  Lawrence C. Tucker
                                             Title: Partner



                                         BROWN BROTHERS HARRIMAN & CO.


                                         By: /s/ Lawrence C. Tucker
                                             --------------------------------
                                             Name:  Lawrence C. Tucker
                                             Title: Partner


                                         /s/ T. Michael Long
                                         ------------------------------------
                                                    T. Michael Long


                                         /s/ Lawrence C. Tucker
                                         ------------------------------------
                                                    Lawrence C. Tucker