-----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,
 UnU+nn2UWLCe49v/yxtJ+c45da67aZtuuwbK91NsqC8IDZi2SmK06W4aAkes9n/8
 a0WJ1K7sCvtnQjrwxkzpUQ==

<SEC-DOCUMENT>0001209191-07-053578.txt : 20070914
<SEC-HEADER>0001209191-07-053578.hdr.sgml : 20070914
<ACCEPTANCE-DATETIME>20070914193400
ACCESSION NUMBER:		0001209191-07-053578
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070911
FILED AS OF DATE:		20070914
DATE AS OF CHANGE:		20070914

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Davis Stewart B
		CENTRAL INDEX KEY:			0001410619

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19437
		FILM NUMBER:		071118829

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		305 575 6000

	MAIL ADDRESS:	
		STREET 1:		4400 BISCAYNE BOULEVARD
		STREET 2:		SUITE 1500
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33137

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bmi09514_bmi1sbd.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-09-11</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001410619</rptOwnerCik>
            <rptOwnerName>Davis Stewart B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4400 BISCAYNE BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33137</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>COO &amp; Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.60</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-09-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>88667</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2007-09-11</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>88667</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>88667</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">25% of such options were immediately exercisable with another 25% becoming exercisable on September 11th of each of 2008, 2009 and 2010; provided, however, that all options shall become immediately exercisable in the event of a change of control of the Issuer.</footnote>
        <footnote id="F2">Such options are not subject to a date of termination.</footnote>
        <footnote id="F3">Granted to the Reporting Person pursuant to that certain employment letter agreement, dated May 16, 2007, by and between the Reporting Person and SafeStitch LLC, which has since been acquired by the Issuer, and in consideration of the Reporting Person's continued service as the Issuer's Chief Operating Officer and Secretary.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Dr. Stewart B. Davis</signatureName>
        <signatureDate>2007-09-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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