8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): November 4, 2005

ARBINET-THEXCHANGE, INC.

(Exact Name of Registrant as Specified in Charter)

Delaware	0-51063	13-3930916
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

120 Albany Street, Tower II, Suite 450 New Brunswick, New Jersey	08901
(Address of Principal Executive Offices)	(Zip Code)

(732) 509-9100

(Registrant’s telephone number, including area code)

Not applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425).

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12).

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)).

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)).

Item 5.02. Departure of Directors or Principal Officers

Effective November 4, 2005, Roland Van der Meer resigned as a member of the Company’s Board of Directors and member of the Compensation Committee of the Board. There is no disagreement between Mr. Van der Meer and the Company on any matter relating to the Company’s operations, policies or practices.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ARBINET-THEXCHANGE, INC.
By:	/s/    J. CURT HOCKEMEIER
Name:	J. Curt Hockemeier
Title:	President and Chief Executive Officer

Date: November 7, 2005

EX-99

Exhibit 99

[LETTERHEAD OF COMVENTURES]

November 4, 2005

Curt Hockemeier

Chief Executive Officer

Arbinet - thexchange, Inc.

120 Albany Street

New Brunswick, NJ 08901

Dear Curt:

This letter is to confirm that I have resigned from the position of director and member of the Compensation Committee of Arbinet-thexchange, Inc. (the “Company”) effective as of the close of business on Friday, November 4, 2005.

There is no disagreement between the Company and me on any matter relating to the Company’s operations, policies or practices. I have appreciated the opportunity to work with the Company and my fellow Board members on many interesting and challenging issues. I wish you continued success in your endeavors.

Very truly yours,

Roland Van der Meer

cc: Tony Craig, Chairman of the Board

Bill Kingsley, Chairman of the Compensation Committee