<SEC-DOCUMENT>0001564590-17-005976-index.html : 20170404
<SEC-HEADER>0001564590-17-005976.hdr.sgml : 20170404
<ACCEPTANCE-DATETIME>20170404120042
ACCESSION NUMBER:		0001564590-17-005976
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20170518
FILED AS OF DATE:		20170404
DATE AS OF CHANGE:		20170404
EFFECTIVENESS DATE:		20170404

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:		17736894

	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_20160518.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: csgs-def14a_20160518.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g20170401181140394210.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g20170401181140394210.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g20170401181134645207.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g20170401181134645207.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g20170401181139882209.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g20170401181139882209.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g20170401181134678208.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g20170401181134678208.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g20170401181143294211.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g20170401181143294211.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g20170401181134642206.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g20170401181134642206.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g20170401181145174213.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g20170401181145174213.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g20170401181143772212.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g20170401181143772212.jpg

</DOCUMENT>
</SEC-DOCUMENT>