Custom communication service AT not communicating with NT

Hi,

I have developed a custom communication service but it seem AT is not communicating with NT properly. Whenever i invoke the custom webservice, i get same reply as the request sent with some header. Below is the trace:

 Service Request 

<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">

  <env:Header />

    <env:Body>

    <InstallRequest xmlns="http://wng.warid.com/rental/">

      <serviceId xmlns="">asd</serviceId>

      <address xmlns="">tel:123</address>

    </InstallRequest>

  </env:Body>

  </env:Envelope>

 Service Response 

<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">

  <env:Header xmlns:work="http://bea.com/2004/06/soap/workarea/">

    <work:WorkContext xmlns:wsu="