HTTP Error: Unsupported HTTP response status 400 Bad Request (soapclient->response has contents of the response)

Request

Host: rgiclservices.reliancegeneral.co.in
User-Agent: NuSOAP/0.9.5 (1.123)
Content-Type: text/xml; charset=UTF-8
SOAPAction: "http://tempuri.org/IRGICLTravel_WCF/getTravelPremium"
Content-Length: 685

<?xml version="1.0" encoding="UTF-8"?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:tem="http://tempuri.org/" xmlns:ns="http://schemas.datacontract.org/2004/07/"><soapenv:Header/><soapenv:Body><tem:getTravelPremium><tem:objDataContract><ns:AddonBenefits></ns:AddonBenefits><ns:CoverType></ns:CoverType><ns:DateOfBirth>05-jul-1985</ns:DateOfBirth><ns:JourneyEndDate>29-oct-2012</ns:JourneyEndDate><ns:JourneyStDate>17-oct-2012</ns:JourneyStDate><ns:MaxNoofTravelDays></ns:MaxNoofTravelDays><ns:ProductType>Individual</ns:ProductType><ns:VisitingUSA>False</ns:VisitingUSA></tem:objDataContract></tem:getTravelPremium></soapenv:Body></soapenv:Envelope>
Response

HTTP/1.1 400 Bad Request
Content-Type: text/html
Date: Wed, 17 Oct 2012 06:01:23 GMT
Connection: close
Content-Length: 35

<h1>Bad Request (Invalid Verb)</h1>

<pre lang="PHP"><pre lang="PHP">