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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(AMENDMENT NO.     )

CSG SYSTEMS INTERNATIONAL
..........................................
(Name of Issuer)

COMMON STOCK
..........................................
(Title of Class of Securities)

126349109
..........................................
(CUSIP Number)

Check the following box if a fee is being paid with this statement [ ]. (A fee
is not required only if the filing person: (1) has a previous statement on
file reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7.)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).


SEC 1745 (2-95)	PAGE 1 OF 7

 2

CUSIP NO. 000000000	13G	PAGE 2 OF 7 PAGE

..............................................................................
 1	NAME OF REPORTING PERSON
	S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT, LLC	- 95-4575414
..............................................................................
 2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*	(a) [ ]
	(b) [ ]
..............................................................................
 3	SEC USE ONLY
..............................................................................
 4	CITIZENSHIP OR PLACE OF ORGANIZATION

	IS A CALIFORNIA LIMITED LIABILITY COMPANY
..............................................................................
5 SOLE VOTING POWER

 NUMBER OF	0
 SHARES	.....................................................
 BENEFICIALLY	6	SHARED VOTING POWER
 OWNED BY
EACH REPORTING		4,188,681
 PERSON WITH	.....................................................
 	7	SOLE DISPOSITIVE POWER

	0
 .....................................................
 8	SHARED DISPOSITIVE POWER

	4,188,681
 .............................................................................
  9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON*

	4,188,681
 .............................................................................
 10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
	SHARES*	[ ]
 .............................................................................
 11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

	8.10%
 .............................................................................
 12	TYPE OF REPORTING PERSON*

	IA
 .............................................................................

 *SEE INSTRUCTIONS BEFORE FILLING OUT!

 PAGE 2 OF 7

United States
Securities and Exchange Commission

Schedule 13G

*********************

Item 1.	(a)	Issuer:	CSG SYSTEMS INTERNATIONAL
(b)	Address:	7887 East Belleview, Suite 1000
		Englewood, CO 80111

Item 2.	(a)Filing Person:	Kayne Anderson Rudnick Investment Management, LLC
(b)	Addresses:	1800 Avenue of the Stars, Second Floor
			Los Angeles, CA  90067

(c)	Citizenship:	Kayne Anderson Rudnick Investment Management, LLC
is a California limited liability company

	(d)	Title of Class
of Services:	Common Stock

(e)	Cusip Number:	126349109

Item 3.	If this statement is filed pursuant to Rule 13d-1(b) or 13d-2(b),
check whether the person filing is a:

	(e)	Kayne Anderson Rudnick Investment Management, LLC, is an
investment adviser registered under section 203 of the Investment
Advisers Act of 1940


Item 4.	Ownership

	(a) Amount Beneficially Owned:

	Kayne Anderson Rudnick Investment Management, LLC

? Managed accounts	4,188,681

	(b)	Percent of Class:	    8.10%



PAGE 3 OF 7




United States
Securities and Exchange Commission

Schedule 13G


CSG SYSTEMS INTERNATIONAL (Issuer)
**************************

Item 5.	Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as of the
date hereof the reporting persons have ceased to be the beneficial
owner of more than five percent of the class of securities, check
the following     [ ].
Not applicable.

Item 6.	Ownership of More than Five Percent on Behalf of Another Person.
	Not applicable.

Item 7.	Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on By the Parent Holding Company
	Not applicable.

Item 8.	Identification and Classification of Members of the Group
Not applicable

Item. 9.	Notice of Dissolution of Group
	Not applicable

Item 10.	Certification
By signing below we certify that, to the best of our knowledge and
belief, the securities referred to above were acquired in the
ordinary course of business and were not acquired for the purpose
of and do not have the effect of changing or influencing the
control of the issuer of such securities and were not acquired in
connection with or as a participant in any transaction having such
purposes or effect.

PAGE 4 OF

United States
Securities and Exchange Commission

Schedule 13G

CSG SYSTEMS INTERNATIONAL (Issuer)
**************************


SIGNATURE


  After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.




	January 20, 2003
	Date


KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT, LLC


	By: 	/S/ ALLAN M. RUDNICK
	Allan M. Rudnick,
Management Committee Co-Chair, CIO & President



PAGE 5 OF 7



United States
Securities and Exchange Commission

Schedule 13G
 (cover page)

CSG SYSTEMS INTERNATIONAL (Issuer)
**************************


Box 9.	The reported shares are owned by several accounts managed, with
discretion to purchase or sell securities, by Kayne Anderson Rudnick
Investment Management, LLC, a registered investment adviser.

Kayne Anderson Rudnick Investment Management, LLC disclaims beneficial
ownership of the shares reported.

PAGE 6 OF

UNDERTAKING


The undersigned agrees to file the attached Statement of Beneficial Ownership
on Schedule 13G with the U.S. Securities Exchange Commission and CSG SYSTEMS
INTERNATIONAL.





Dated:  January 20, 2003


KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT, LLC


	By: 	/S/ ALLAN M. RUDNICK
Allan M. Rudnick,
Management Committee Co-Chair, CIO & President



PAGE 7 OF 7
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