HTTP + SOAP11
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /soap11 HTTP/1.1 
Host: api.homenetiol.com 
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: InvoiceCloseRequest
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
    <soap:Body>
<InvoicingMessageHandler.InvoiceCloseRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/HNI.InventoryOnline.WebIOL.WebApi.MessageHandlers.Mobile">
  <InvoiceNumber xmlns="http://schemas.datacontract.org/2004/07/HNI.InventoryOnline.WebIOL.WebApi.Common.Messages.Mobile">String</InvoiceNumber>
  <StatusTokenID xmlns="http://schemas.datacontract.org/2004/07/HNI.InventoryOnline.WebIOL.WebApi.Common.Messages.Mobile">00000000-0000-0000-0000-000000000000</StatusTokenID>
</InvoicingMessageHandler.InvoiceCloseRequest>
    </soap:Body>
</soap:Envelope>
 
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
    <soap:Body>
<InvoiceCloseResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/HNI.InventoryOnline.WebIOL.WebApi.Common.Messages.Mobile">
  <MessageDetails i:nil="true" xmlns="http://schemas.datacontract.org/2004/07/HNI.InventoryOnline.WebIOL.WebApi.Common.Messages" />
  <ResponseMessageKind xmlns="http://schemas.datacontract.org/2004/07/HNI.InventoryOnline.WebIOL.WebApi.Common.Messages">None</ResponseMessageKind>
  <InvoiceID>0</InvoiceID>
  <StatusTokenID>00000000-0000-0000-0000-000000000000</StatusTokenID>
</InvoiceCloseResponse>
    </soap:Body>
</soap:Envelope>