Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - CSG SYSTEMS INTERNATIONAL INCFinancial_Report.xls
EX-31.01 - EX-31.01 - CSG SYSTEMS INTERNATIONAL INCd343861dex3101.htm
EX-31.02 - EX-31.02 - CSG SYSTEMS INTERNATIONAL INCd343861dex3102.htm
EX-10.23(I) - EX-10.23(I) - CSG SYSTEMS INTERNATIONAL INCd343861dex1023i.htm
EX-10.24(H) - EX-10.24(H) - CSG SYSTEMS INTERNATIONAL INCd343861dex1024h.htm
EX-10.21(H) - EX-10.21(H) - CSG SYSTEMS INTERNATIONAL INCd343861dex1021h.htm
EX-10.21(G) - EX-10.21(G) - CSG SYSTEMS INTERNATIONAL INCd343861dex1021g.htm
EX-10.23(O) - EX-10.23(O) - CSG SYSTEMS INTERNATIONAL INCd343861dex1023o.htm
EX-10.24(G) - EX-10.24(G) - CSG SYSTEMS INTERNATIONAL INCd343861dex1024g.htm
EX-10.21(D) - EX-10.21(D) - CSG SYSTEMS INTERNATIONAL INCd343861dex1021d.htm
EX-10.21(E) - EX-10.21(E) - CSG SYSTEMS INTERNATIONAL INCd343861dex1021e.htm
EX-10.23(P) - EX-10.23(P) - CSG SYSTEMS INTERNATIONAL INCd343861dex1023p.htm
EX-10.23(Q) - EX-10.23(Q) - CSG SYSTEMS INTERNATIONAL INCd343861dex1023q.htm
EX-10.21(F) - EX-10.21(F) - CSG SYSTEMS INTERNATIONAL INCd343861dex1021f.htm
10-Q - FORM 10-Q - CSG SYSTEMS INTERNATIONAL INCd343861d10q.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 8, 2012
/s/ Peter E. Kalan
Peter E. Kalan
Chief Executive Officer and President
August 8, 2012
/s/ Randy R. Wiese
Randy R. Wiese
Executive Vice President and Chief Financial Officer