UNITED STATESSECURITIES 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

October 21, 2008
______________
Date of Report (Date of earliest event reported)
______________

iBASIS, INC.
______________

(Exact Name of Registrant as Specified in Charter)

DELAWARE	000-27127	04-3332534
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

20 Second Avenue, Burlington, MA 01803

(Address of Principal Executive Offices) (Zip Code)

(781) 505-7500
(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

⃞ 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 2.02.     Results of Operations and Financial Condition.

On Tuesday, October 21, 2008, iBasis, Inc. (the "Registrant") issued a press release regarding financial results for the third quarter ended September 30, 2008. A copy of this press release is being furnished herewith as Exhibit 99.1.

Item 9.01.     Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.	Description
99.1	Press Release dated October 21, 2008 (Furnished herewith)

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.

Date:	October 21, 2008	iBasis, Inc.
		By:	/s/ Mark S. Flynn
			Chief Legal Officer and
			Corporate Secretary