Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - CSG SYSTEMS INTERNATIONAL INCFinancial_Report.xls
10-Q - FORM 10-Q - CSG SYSTEMS INTERNATIONAL INCd10q.htm
EX-31.01 - CERTIFICATION PURSUANT TO SECTION 302 - CSG SYSTEMS INTERNATIONAL INCdex3101.htm
EX-31.02 - CERTIFICATION PURSUANT TO SECTION 302 - CSG SYSTEMS INTERNATIONAL INCdex3102.htm
EX-10.23D - ELEVENTH AMENDMENT TO THE CSG MASTER SUBSCRIBER MANAGEMENT SYSTEM AGREEMENT - CSG SYSTEMS INTERNATIONAL INCdex1023d.htm
EX-10.24E - FIFTY-FIRST AMENDMENT OF THE CSG MASTER SUBSCRIBER MANAGEMENT SYSTEM AGREEMENT - CSG SYSTEMS INTERNATIONAL INCdex1024e.htm
EX-10.24F - FIFTY-THIRD AMENDMENT OF THE CSG MASTER SUBSCRIBER MANAGEMENT SYSTEM AGREEMENT - CSG SYSTEMS INTERNATIONAL INCdex1024f.htm
EX-10.23G - FOURTEENTH AMENDMENT TO THE CSG MASTER SUBSCRIBER MANAGEMENT SYSTEM AGREEMENT - CSG SYSTEMS INTERNATIONAL INCdex1023g.htm
EX-10.23E - TWELFTH AMENDMENT TO THE CSG MASTER SUBSCRIBER MANAGEMENT SYSTEM AGREEMENT - CSG SYSTEMS INTERNATIONAL INCdex1023e.htm
EX-10.21C - SEVENTH AMENDMENT TO THE RESTATED AND AMENDED CSG MASTER SUBSCRIBER - CSG SYSTEMS INTERNATIONAL INCdex1021c.htm
EX-10.23F - THIRTEENTH AMENDMENT TO THE CSG MASTER SUBSCRIBER MANAGEMENT SYSTEM AGREEMENT - CSG SYSTEMS INTERNATIONAL INCdex1023f.htm
EX-10.24D - THIRD AMENDMENT TO THE PROCESSING AND PRODUCTION SERVICES AGREEMENT - CSG SYSTEMS INTERNATIONAL INCdex1024d.htm

EXHIBIT 32.01

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The certification set forth below is being submitted in connection with the Quarterly Report on Form 10-Q (the “Report”) for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Peter E. Kalan, the Chief Executive Officer and Randy R. Wiese, the Chief Financial Officer of CSG Systems International Inc., each certifies that, to the best of his knowledge:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of CSG Systems International, Inc.

 

August 9, 2011

/s/ Peter E. Kalan

Peter E. Kalan

Chief Executive Officer and President

 

August 9, 2011

/s/ Randy R. Wiese

Randy R. Wiese

Executive Vice President and Chief Financial Officer