How to receive Soap with attachements from java client

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SOAP

Hello Developers,

I have to develop the web service which accepts the soap request with attachments from java client. Find the below sample request. On investigating I found .Net does not support SWA. Is there proper way to handle this.

POST /api/mm7 HTTP/1.1
Host: mmsc-01.openmarket.com
Content-Type: multipart/related;
    boundary="aMIMEBoundary";
    type="text/xml";
    start="<soap-start>"
Content-Length: 1781
SOAPAction: ""
--aMIMEBoundary
Content-Type: text/xml; charset=us-ascii
Content-Transfer-Encoding: 7bit
Content-ID: <soap-start>
<?xml version="1.0" encoding="UTF-8"?>
<soap-env:Envelope xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/">
<soap-env:Header>
<TransactionID xmlns="http://www.3gpp.org/ftp/Specs/archive/23_series/23.140/schema/REL-6-MM7-1-4" soap-env:mustUnderstand="1">20999</TransactionID>
</soap-env:Header>
<soap-env:Body>
<SubmitReq xmlns="http://www.3gpp.org/ftp/Specs/archive/23_series/23.140/schema/REL-6-MM7-1-4">
<MM7Version>6.8.0</MM7Version>
<SenderIdentification>
<VASID>merchant_prod</VASID>
<VASPID> 123-456-789-0000</VASPID>
<SenderAddress><ShortCode>10958</ShortCode></SenderAddress>
</SenderIdentification>
<Recipients><To><Number displayOnly="false">+14796995191</Number></To></Recipients>
<DeliveryReport>true</DeliveryReport>
<Subject>Sample XML</Subject>
<Content href="cid:om.gif" allowAdaptations="true"/>
</SubmitReq>
</soap-env:Body>
</soap-env:Envelope>
--aMIMEBoundary
Content-Type: image/gif
Content-ID: om.gif
Content-Transfer-Encoding: base64
Content-Disposition: attachment
R0lGODlhwgA/ANUAAP///xdIkWqKO26KsyVTl9nZ2czMzKu4y4+mbFJ2rJCnysXQtu3t7cXR45ypvKq4lvLy8rzGrePj45ereURqonSRSqK2htLS0rfG23yYVJurhIefZNDZwoWYtbO7qNri
…
--aMIMEBoundary--