SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
OKUMUS AHMET H
(Last) (First) (Middle)
575 LEXINGTON AVE
7TH FLOOR
(Street)
NEW YORK NY 10022
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
CSG SYSTEMS INTERNATIONAL INC [ CSGS ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/14/2003
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 10/14/2003 10/14/2003 P 18,796 A $9.2476 18,796 I By Okumus Opportunity Partners, LP(1)
Common Stock 10/15/2003 10/15/2003 P 39,739 A $9.2429 39,739 I By Okumus Opportunity Partners, LP(1)
Common Stock 10/17/2003 10/17/2003 P 1,370 A $9.15 1,370 I By Okumus Diversified Value Partners, LP(1)
Common Stock 10/20/2003 10/20/2003 P 4,292 A $9.148 4,292 I By Okumus Technology Value Partners, LP(1)
Common Stock 10/20/2003 10/20/2003 P 10,708 A $9.148 10,708 I By Okumus Diversified Value Partners, LP(1)
Common Stock 10/21/2003 10/21/2003 P 9,772 A $9.1952 9,772 I By Okumus Diversified Value Partners, LP(1)
Common Stock 10/21/2003 10/21/2003 P 3,918 A $9.1952 3,918 I By Okumus Technology Value Partners, LP(1)
Common Stock 10/22/2003 10/22/2003 P 12,140 A $9.1001 12,140 I By Okumus Opportunity Partners, LP(1)
Common Stock 10/23/2003 10/23/2003 P 1,539 A $9.0034 1,539 I By Okumus Market Neutral Partners, LP(1)
Common Stock 10/24/2003 10/24/2003 P 14,524 A $9.01 14,524 I By Okumus Opportunity Partners, LP(1)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Call Option (Option to Sell) $10 10/15/2003 10/15/2003 P 47,696 10/15/2003 11/21/2003 Common Stock 47,696 $0.4 430,525 I By Okumus Opportunity Partners, LP(1)
Call Option (Option to Buy) $10 10/20/2003 10/20/2003 D 1,415 10/20/2003 11/21/2003 Common Stock 1,415 $0.35 431,940 I By Okumus Opportunity Partners, LP(1)
See Footnote 2 $0.00 08/08/1988 08/08/1988 See Footnote 2 0 25,370(2) I By Okumus Technology Value Partners, LP
See Footnote 3 $0.00 08/08/1988 08/08/1988 See Footnote 3 0 70,610(3) I By Okumus Diversified Value Partners, LP
See Footnote 4 $0.00 08/08/1988 08/08/1988 See Footnote 4 0 14,699(4) I By Okumus Market Neutral Partners, LP
Explanation of Responses:
1. The securities reported on this filing are held in the account of certain unregistered investment companies over which the Reporting Person has investment discretion by virtue of the Reporting Person's position in the general partners of these unregistered investment companies. The Reporting Person in turn has a pecuniary interest in the securities held by said unregistered investment companies equal to his portion of the incentive allocation potentially made to the general partners of said entities each year in unaffiliated capital accounts in said entities, plus his capital accounts in said entities.
2. Securities previously held by the Reporting Person in the account of Okumus Technology Value Partners, LP.
3. Securities previously held by the Reporting Person in the account of Okumus Diversified Value Partners, LP.
4. Securities previously held by the Reporting Person in the account of Okumus Market Neutral Partners, LP.
Remarks:
++ The Reporting Person, the unregistered investment companies and the general partners companies affirmatively disclaim being a "group" for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.
/s/ Ahmet H. Okumus++ 11/12/2003
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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