Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - CSG SYSTEMS INTERNATIONAL INCFinancial_Report.xls
EX-31.01 - CERTIFICATION PURSUANT TO SECTION 302 - CSG SYSTEMS INTERNATIONAL INCd429414dex3101.htm
EX-31.02 - CERTIFICATION PURSUANT TO SECTION 302 - CSG SYSTEMS INTERNATIONAL INCd429414dex3102.htm
EX-10.23R - TWENTY-FIFTH AMENDMENT TO AGREEMENT - DISH NETWORK L.L.C. - CSG SYSTEMS INTERNATIONAL INCd429414dex1023r.htm
EX-10.21J - FOURTEENTH AMENDMENT TO THE RESTATED AND AMENDED AGREEMENT - COMCAST CABLE - CSG SYSTEMS INTERNATIONAL INCd429414dex1021j.htm
EX-10.23S - TWENTY-SIXTH AMENDMENT TO AGREEMENT - DISH NETWORK L.L.C. - CSG SYSTEMS INTERNATIONAL INCd429414dex1023s.htm
EX-10.21L - SIXTEENTH AMENDMENT TO THE RESTATED AND AMENDED AGREEMENT - COMCAST CABLE - CSG SYSTEMS INTERNATIONAL INCd429414dex1021l.htm
EX-10.24I - FIFTY-SIXTH AMENDMENT TO AGREEMENT - TIME WARNER CABLE INC. - CSG SYSTEMS INTERNATIONAL INCd429414dex1024i.htm
EX-10.24J - SIXTY-THIRD AMENDMENT TO AGREEMENT - TIME WARNER CABLE INC. - CSG SYSTEMS INTERNATIONAL INCd429414dex1024j.htm
EX-10.21I - THIRTEENTH AMENDMENT TO THE RESTATED AND AMENDED AGREEMENT - COMCAST CABLE - CSG SYSTEMS INTERNATIONAL INCd429414dex1021i.htm
EX-10.24K - SIXTY-FIFTH AMENDMENT TO AGREEMENT - TIME WARNER CABLE INC. - CSG SYSTEMS INTERNATIONAL INCd429414dex1024k.htm
10-Q - FORM 10-Q - CSG SYSTEMS INTERNATIONAL INCd429414d10q.htm
EX-10.21K - FIFTEENTH AMENDMENT TO THE RESTATED AND AMENDED AGREEMENT - COMCAST CABLE - CSG SYSTEMS INTERNATIONAL INCd429414dex1021k.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.

November 6, 2012

/s/ Peter E. Kalan

Peter E. Kalan

Chief Executive Officer and President

November 6, 2012

/s/ Randy R. Wiese

Randy R. Wiese

Executive Vice President and Chief Financial Officer