<SUBMISSION>
<ACCESSION-NUMBER>0000898318-03-000027
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030610
<FILING-DATE>20030825
<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>ENLOE ROBERT TED III
<CIK>0000914763
<STATE-OF-INCORPORATION>TX
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>333-40624
<FILM-NUMBER>03864074
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>3102 MAPLE AVENUE
<STREET2>SUITE 200
<CITY>DALLAS
<STATE>TX
<ZIP>75201
<PHONE>2149541888
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>3102 MAPLE AVENUE
<STREET2>SUITE 200
<CITY>DALLAS
<STATE>TX
<ZIP>75201
</MAIL-ADDRESS>
<FORMER-NAME>
<FORMER-CONFORMED-NAME>ENLOE ROBERT TED
<DATE-CHANGED>19931115
</FORMER-NAME>
</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>0000914763</rptOwnerCik>
            <rptOwnerName>ENLOE ROBERT TED III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BALQUITA PARTNERS, LTD.</rptOwnerStreet1>
            <rptOwnerStreet2>3102 MAPLE AVENUE, SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75201</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, $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>500</value>
                </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>

        <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>69078</value>
                </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>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>_</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

        <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>11000</value>
                </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>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>_</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </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">Consists of 69,078 shares held by Balquita Partners, Ltd., a limited partnership controlled by Mr. Enloe, and 11,000 shares owned by the Enloe Descendants Trust, a trust of which Mr. Enloe is Trustee.  The address for Balquita Partners, Ltd. and the Enloe Descendants Trust is c/o Balquita Partners, Ltd., 3102 Maple Avenue, Suite 200, Dallas, Texas  75201.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>Robert Ted Enloe</signatureName>
        <signatureDate>2003-08-25</signatureDate>
    </ownerSignature>

</ownershipDocument>

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