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): May 13, 2002 	 CSG SYSTEMS INTERNATIONAL, INC. 	--------------------------------------------------------------------- 		(Exact name of registrant as specified in its charter) 	 Delaware 0-27512 47-0783182 	---------------------------- ------------- ---------------- 	(State or other jurisdiction (Commission (IRS Employer 	 of incorporation) File Number) Identification 					 Number) 	 7887 East Belleview Avenue, Suite 1000, Englewood, CO 80111 	--------------------------------------------------------------- 	(Address of principal executive offices) (Zip Code) 	Registrant's telephone number, including area code: (303) 796-2850 Item 5. Other Events and Regulation FD Disclosure. - ------- ------------------------------------------ 		On May 13, 2002, the registrant issued a press release 	reporting that AT&T Broadband Management Corporation ("AT&T") 	had filed a demand to arbitrate certain disputes with CSG 	Systems, Inc., a wholly owned subsidiary of the registrant, 	arising under a Master Subscriber Management System Agreement 	entered into in 1997. The registrant also stated that it 	believes AT&T's claims to be without merit and that the 	registrant and CSG Systems, Inc. will vigorously defend 	themselves in the arbitration proceedings. 		A copy of such press release is attached to this Form 	8-K as Exhibit 99.1. Item 7. Financial Statements and Exhibits. - ------- ---------------------------------- (c) Exhibit 	 99.1	Press release of CSG Systems, Inc. dated May 13, 2002. 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: May 15, 2002 	 ------------ 				CSG SYSTEMS INTERNATIONAL INC. 				By: /s/ Joseph T. Ruble 				 ------------------------------ Joseph T. Ruble, Secretary and General Counsel 			CSG Systems International, Inc. 				Form 8-K 			 Exhibit Index Exhibit Number				Description - ------- ----------- 99.1	Press release of CSG Systems, Inc. dated May 13, 2002.