<SUBMISSION>
<ACCESSION-NUMBER>0000898318-03-000030
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030610
<FILING-DATE>20030827
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ADVANCED SWITCHING COMMUNICATIONS INC
<CIK>0001095583
<ASSIGNED-SIC>3661
<IRS-NUMBER>541865834
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>8330 BOONE BLVD 5TH FL
<CITY>VIENNA
<STATE>VA
<ZIP>22182
<PHONE>7034485540
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>8330 BOONE BOULEVARD 5TH FL
<CITY>VIENNA
<STATE>VA
<ZIP>22182
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>BAKER COMMUNICATIONS FUND L P
<CIK>0001039093
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>333-40624
<FILM-NUMBER>03868136
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>540 MADISON AVE
<STREET2>C/O BAKER CAPITAL PARTNERS LLC
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
<PHONE>2128482000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O BAKER CAPITAL PARTNERS LLC
<STREET2>540 MADISON AVE
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-06-10</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001095583</issuerCik>
        <issuerName>ADVANCED SWITCHING COMMUNICATIONS INC</issuerName>
        <issuerTradingSymbol>ASCX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001039093</rptOwnerCik>
            <rptOwnerName>BAKER COMMUNICATIONS FUND L P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BAKER CAPITAL PARTNERS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>540 MADISON AVE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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, $0.0025 par value per share</value>
            </securityTitle>
            <transactionDate>
                <value>2003-06-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10891528</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person disposed Common Stock pursuant to the Company's Liquidating Trust Agreement, dated as of June 10, 2003, pursuant to which each of the Company's stockholders automatically became the holder of one unit of beneficial interest in the Liquidating Trust for each share of the Company common stock then held of record by such stockholder.  All outstanding Company shares were automatically deemed canceled.</footnote>
        <footnote id="F2">Represents 10,891,528 shares held by Baker Communications Fund, L.P.  Baker Capital Corp. is the general partner of Baker Communications Fund, L.P.  Edward W. Scott, a member of the Company's Board of Directors is among four natural persons who jointly, but not individually, exercise voting and/or dispositive power with respect to the shares held by Baker Communications Fund, L.P.:  John C. Baker; Ashley Leeds; Edward W. Scott; and Henry G. Baker.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>Jospeh R. Sariano, CFO</signatureName>
        <signatureDate>2003-08-27</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
