Sec Form 4 Filing - ANGEL JOSHUA J @ CELLULAR TECHNICAL SERVICES CO INC - 2007-08-24

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person ANGEL JOSHUA J 2. Issuer Name and Ticker or Trading Symbol CELLULAR TECHNICAL SERVICES CO INC [ CTSC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 460 PARK AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 08/24/2007 (Street) NEW YORK, NY10022 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 08/24/2007 A 2,000 A 37,250 D Common Stock 08/24/2007 A 26,500 A 63,750 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Options to Purchase Common Stock $ 2.415 08/24/2007 A 1,200 01/02/2002 01/02/2012 Common Stock 1,200 ( 2 ) 0 D Options to Purchase Common Stock $ 3.43 08/24/2007 A 2,000 06/06/2001 06/06/2011 Common Stock 2,000 ( 2 ) 0 D Options to Purchase Common Stock $ 0.685 01/02/2004 01/02/2013 Common Stock 1,200 1,200 D Options to Purchase Common Stock $ 0.72 01/02/2005 01/02/2014 Common Stock 1,200 1,200 D Options to Purchase Common Stock $ 0.73 06/10/2005 06/10/2014 Common Stock 15,000 15,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other ANGEL JOSHUA J 460 PARK AVENUE NEW YORK, NY10022 X Signatures /s/ Joshua J. Angel 08/28/2007 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Reporting Person has agreed to the cancellation of 3,200 stock options held by him, in exchange for the issuance of 2,000 shares of Common Stock as set forth in this Form, Table I, Column 4. Such shares of Common Stock were issued by the board of directors of the Company pursuant to Rules 16b-3(e) and 16b-3(d)(1) of the Securities Exchange Act of 1934, as amended. ( 2 )The Issuer issued 26,500 shares of Common Stock to the Reporting Person as consideration for the services the Reporting Person has provided to the Issuer as a director on the Issuer's board of directors and for other services performed on behalf of the Issuer. Such shares of Common Stock were issued by the board of directors of the Company pursuant to Rules 16b-3(e) and 16b-3(d)(1) of the Securities Exchange Act of 1934, as amended.

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).

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