Проверка активности сессии

URL: components/services/login.asmx

Метод: CheckSession

<?xml version="1.0" encoding="utf-8"?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:str="http://streamline/">
   <soapenv:Header/>
   <soapenv:Body>
      <str:CheckSession>
         <str:ASPNETSessionId>string</str:ASPNETSessionId>
      </str:CheckSession>
   </soapenv:Body>
</soapenv:Envelope>

<?xml version="1.0" encoding="utf-8"?>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
   <s:Body>
      <CheckSessionResponse xmlns="http://streamline/">
         <CheckSessionResult xmlns:a="http://schemas.datacontract.org/2004/07/SL.Web.Services" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
            <a:ASPNETSessionId/>string</a:ASPNETSessionId>
            <a:ErrorMessage>string</a:ErrorMessage>
         </CheckSessionResult>
      </CheckSessionResponse>
   </s:Body>
</s:Envelope>