<SEC-DOCUMENT>0001564590-15-002397-index.html : 20150407
<SEC-HEADER>0001564590-15-002397.hdr.sgml : 20150407
<ACCEPTANCE-DATETIME>20150407110143
ACCESSION NUMBER:		0001564590-15-002397
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		10
CONFORMED PERIOD OF REPORT:	20150519
FILED AS OF DATE:		20150407
DATE AS OF CHANGE:		20150407
EFFECTIVENESS DATE:		20150407

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CSG SYSTEMS INTERNATIONAL INC
		CENTRAL INDEX KEY:			0001005757
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				470783182
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27512
		FILM NUMBER:		15755377

	BUSINESS ADDRESS:	
		STREET 1:		9555 MAROON CIRCLE
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112
		BUSINESS PHONE:		3037962850

	MAIL ADDRESS:	
		STREET 1:		9555 MAROON CIRCLE
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>csgs-def14a_20150519.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: csgs-def14a_20150519.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g201504020827399312645.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g201504020827399312645.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g201504020827399942646.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g201504020827399942646.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g201504020827406192647.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g201504020827406192647.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g201504020828081982648.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g201504020828081982648.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g201504020828082292649.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g201504020828082292649.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g201504020828139792650.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g201504020828139792650.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g201504020828513402651.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g201504020828513402651.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g201504020828528402652.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g201504020828528402652.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g201504020828546522653.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g201504020828546522653.jpg
</DOCUMENT> </SEC-DOCUMENT>