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    ACCESSION NUMBER:		0001564590-21-058666
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		17
    CONFORMED PERIOD OF REPORT:	20211122
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20211129
    DATE AS OF CHANGE:		20211129

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

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    		SEC ACT:		1934 Act
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    	BUSINESS ADDRESS:
    		STREET 1:		6175 SOUTH WILLOW DRIVE
    		CITY:			GREENWOOD VILLAGE
    		STATE:			CO
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