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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001181431-08-056157.txt : 20081003
<SEC-HEADER>0001181431-08-056157.hdr.sgml : 20081003
<ACCEPTANCE-DATETIME>20081003190144
ACCESSION NUMBER:		0001181431-08-056157
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081001
FILED AS OF DATE:		20081003
DATE AS OF CHANGE:		20081003

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FERRANTE DOMENIC J
		CENTRAL INDEX KEY:			0001213397

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15135
		FILM NUMBER:		081107938

	MAIL ADDRESS:	
		STREET 1:		BROOKSIDE CAPITAL MANAGEMENT LLC
		STREET 2:		111 HUNTINGTON AVE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TEKELEC
		CENTRAL INDEX KEY:			0000790705
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				952746131
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5200 PARAMOUNT PARKWAY
		CITY:			MORRISVILLE
		STATE:			NC
		ZIP:			27560
		BUSINESS PHONE:		919-460-5500

	MAIL ADDRESS:	
		STREET 1:		5200 PARAMOUNT PARKWAY
		CITY:			MORRISVILLE
		STATE:			NC
		ZIP:			27560

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BROOKSIDE CAPITAL INVESTORS L P
		CENTRAL INDEX KEY:			0001056548
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15135
		FILM NUMBER:		081107936

	BUSINESS ADDRESS:	
		STREET 1:		TWO COPLEY PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		6175162000

	MAIL ADDRESS:	
		STREET 1:		TWO COPLEY PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BROOKSIDE CAPITAL PARTNERS FUND LP
		CENTRAL INDEX KEY:			0001028348
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15135
		FILM NUMBER:		081107935

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		617-516-2000
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-516-2000

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BROOKSIDE CAPITAL MANAGEMENT LLC
		CENTRAL INDEX KEY:			0001156175

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15135
		FILM NUMBER:		081107937

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		6175162000

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd220383.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-10-01</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000790705</issuerCik>
        <issuerName>TEKELEC</issuerName>
        <issuerTradingSymbol>TKLC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001213397</rptOwnerCik>
            <rptOwnerName>FERRANTE DOMENIC J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BROOKSIDE CAPITAL, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001156175</rptOwnerCik>
            <rptOwnerName>BROOKSIDE CAPITAL MANAGEMENT LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>111 HUNTINGTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001056548</rptOwnerCik>
            <rptOwnerName>BROOKSIDE CAPITAL INVESTORS L P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>111 HUNTINGTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001028348</rptOwnerCik>
            <rptOwnerName>BROOKSIDE CAPITAL PARTNERS FUND LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BROOKSIDE CAPITAL, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, without par value</value>
            </securityTitle>
            <transactionDate>
                <value>2008-10-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>500000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.37</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6296298</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Brookside Capital Investors, L.P. (&quot;BCI LP&quot;), is the sole general partner of Brookside Capital Partners Fund, L.P (the &quot;Fund&quot;).  Brookside Capital Management, LLC (&quot;BCM&quot;), is the sole general partner of BCI LP.  Mr. Domenic J. Ferrante is the sole managing member of BCM.  By virtue of these relationships, BCI LP, BCM and Mr. Ferrante may each be deemed to beneficially own the securities held by the Fund.  BCI LP, BCM and Mr. Ferrante disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/  Domenic J. Ferrante for Brookside Capital Partners Fund LP</signatureName>
        <signatureDate>2008-10-03</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/  Domenic J. Ferrante for Brookside Capital Investors LP</signatureName>
        <signatureDate>2008-10-03</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Domenic J. Ferrante for Brookside Capital Management LLC</signatureName>
        <signatureDate>2008-10-03</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Domenic J. Ferrante</signatureName>
        <signatureDate>2008-10-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----