-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 H5BmCEjrgqCi//2l6p9F5P2UjGl0JGKlmtxGLQc3YW9dfCgVzcKfXofi55tXYCjD
 UpW+Hchu0Uy+ta+LAycq1A==

<SEC-DOCUMENT>0001209191-07-050869.txt : 20070828
<SEC-HEADER>0001209191-07-050869.hdr.sgml : 20070828
<ACCEPTANCE-DATETIME>20070828161345
ACCESSION NUMBER:		0001209191-07-050869
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070824
FILED AS OF DATE:		20070828
DATE AS OF CHANGE:		20070828

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CELLULAR TECHNICAL SERVICES CO INC
		CENTRAL INDEX KEY:			0000876378
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				112962080
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		20 EAST SUNRISE HIGHWAY
		STREET 2:		SUITE 200
		CITY:			VALLEY STREAM
		STATE:			NY
		ZIP:			11581
		BUSINESS PHONE:		516-568-0100

	MAIL ADDRESS:	
		STREET 1:		20 EAST SUNRISE HIGHWAY
		STREET 2:		SUITE 200
		CITY:			VALLEY STREAM
		STATE:			NY
		ZIP:			11581

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PFENNIGER RICHARD C JR
		CENTRAL INDEX KEY:			0001200796

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19437
		FILM NUMBER:		071084126

	BUSINESS ADDRESS:	
		STREET 1:		4400 BISCAYNE BOULEVARD
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33137
		BUSINESS PHONE:		305 575 6000
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bmi09062_bmi6-rp.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-08-24</periodOfReport>

    <issuer>
        <issuerCik>0000876378</issuerCik>
        <issuerName>CELLULAR TECHNICAL SERVICES CO INC</issuerName>
        <issuerTradingSymbol>CTSC.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001200796</rptOwnerCik>
            <rptOwnerName>PFENNIGER RICHARD C JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7200 CORPORATE CENTER DRIVE, SUITE 600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33126</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-08-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>15000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>115000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Received in consideration for the Reporting Person's services as a director on the Issuer's board of directors and for other services performed on behalf of the Issuer.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Richard C. Pfenniger, Jr.</signatureName>
        <signatureDate>2007-08-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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