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

                                  SCHEDULE 13G
                                (RULE 13d - 102)

             Information to be included in statements filed pursuant
           to Rules 13d-1(b), (c) and (d) and amendments thereto filed
                              pursuant to 13d-2(b)

                                (AMENDMENT NO.1)*

                                    8X8, Inc.
                                (Name of Issuer)

                          Common Stock, par value $.10
                         (Title of Class of Securities)

                                    282914100
                                 (CUSIP Number)

                                December 31, 2005
             (Date of Event which Requires Filing of this Statement)

                 Check the appropriate box to designate the rule
                    pursuant to which this Schedule is filed:

                                [ ] Rule 13d-1(b)
                                [x] Rule 13d-1(c)
                                [ ] Rule 13d-1(d)

 *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).

                       (Continued on the Following Pages)

1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Castlerigg Master Investments Ltd. 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION British Virgin Islands NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 892,857 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 892,857 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 892,857 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.4% 12. TYPE OF REPORTING PERSON* CO *SEE INSTRUCTIONS BEFORE FILLING OUT!

1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Sandell Asset Management Corp. 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION British Virgin Islands NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 892,857 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 892,857 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 892,857 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.4% 12. TYPE OF REPORTING PERSON* CO *SEE INSTRUCTIONS BEFORE FILLING OUT!

1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Castlerigg International Limited 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION British Virgin Islands NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 892,857 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 892,857 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 892,857 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.4% 12. TYPE OF REPORTING PERSON* CO *SEE INSTRUCTIONS BEFORE FILLING OUT!

1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Castlerigg International Holdings Limited 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION British Virgin Islands NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 892,857 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 892,857 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 892,857 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.4% 12. TYPE OF REPORTING PERSON* CO *SEE INSTRUCTIONS BEFORE FILLING OUT!

1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Thomas E. Sandell 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Sweden NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 892,857 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 892,857 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 892,857 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.4% 12. TYPE OF REPORTING PERSON* IN *SEE INSTRUCTIONS BEFORE FILLING OUT!

This statement is filed pursuant to Rule 13d-2(b) with respect to the shares of common stock of 8X8, Inc. (the "Issuer") beneficially owned by the Reporting Persons identified below as of February 13, 2006 and amends and supplements the Schedule 13G filed on December 15, 2005 (collectively, the "Schedule 13G"). Except as set forth herein, the Schedule 13G is unmodified. The names of the persons filing this statement on Schedule 13G are: Castlerigg Master Investments Ltd., a British Virgin Islands company ("Castlerigg Master Investments"), Sandell Asset Management Corp., a British Virgin Islands company ("SAMC"), Castlerigg International Limited, a British Virgin Islands company ("Castlerigg International"), Castlerigg International Holdings Limited, a British Virgin Islands company ("Castlerigg Holdings"), and Thomas E. Sandell, a citizen of Sweden ("Sandell" and collectively, the "Reporting Persons"). ITEM 4. OWNERSHIP. Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount beneficially owned: The Reporting Persons beneficially own warrants issued by the Issuer which are exercisable for 892,857 shares of Common Stock. (b) Percent of Class: The Reporting Persons beneficially own 892,857 shares of Common Stock representing 1.4% of all the outstanding shares of Common Stock. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote Not applicable. (ii) Shared power to vote or to direct the vote of shares of Common Stock: Castlerigg Master Investments, Castlerigg International, Castlerigg Holdings, SAMC and Mr. Sandell have the shared power to vote or direct the vote of 892,857 shares of Common Stock beneficially owned by the Reporting Persons. (iii) Sole power to dispose or to direct the disposition of shares of Common Stock: Not applicable. (iv) Shared power to dispose or to direct the disposition of shares of Common Stock:

Castlerigg Master Investments, Castlerigg International, Castlerigg Holdings, SAMC and Mr. Sandell have the shared power to dispose or to direct the disposition of the 892,857 shares of Common Stock beneficially owned by the Reporting Persons. ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS. If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following [X]. ITEM 10. CERTIFICATION. By signing below the undersigned certifies that, to the best of its or his knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE After reasonable inquiry and to the best of its knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete, and correct. Dated: February 14, 2006 CASTLERIGG MASTER INVESTMENTS LTD. By: Sandell Asset Management Corp. As Investment Manager By: /s/ Thomas E. Sandell --------------------------- Name: Thomas E. Sandell Title: Chief Executive Officer SANDELL ASSET MANAGEMENT CORP. By: /s/ Thomas E. Sandell --------------------------- Name: Thomas E. Sandell Title: Chief Executive Officer CASTLERIGG INTERNATIONAL LIMITED By: /s/ Thomas E. Sandell --------------------- Name: Thomas E. Sandell Title: Director CASTLERIGG INTERNATIONAL HOLDINGS LIMITED By: /s/ Thomas E. Sandell --------------------- Name: Thomas E. Sandell Title: Director /s/ Thomas E. Sandell --------------------- Thomas E. Sandell