[SIPForum-discussion] problem in registration request

[Tomasz Zieleniewski]

Hi,

Please provide us with some signaling dumps,
You can use wireshark or tcpdump for that.
BTW the implementation You presented doesn't
implement intermediary Proxy but registrar,
Is this what you want to achive?

Regards
---------------------------------
Tomasz Zieleniewski

2009/2/11 Amit Bansal <amitbansal3 at gmail.com>

> Hi All,
> I am trying to build a SIP application which will act as proxy to the
> phones those are connected to it like a server that is in call centers.
>
> I have have made a servlet code is as follows..
>
> package com.sip.servlet;
>
> import javax.servlet.sip.SipServlet;
> import javax.servlet.sip.SipServletRequest;
> import javax.servlet.sip.SipServletResponse;
>
>
> public class SimpleProxyServlet extends SipServlet
> {
>
>     protected void doRegister(SipServletRequest request) throws IOException
>     {
>         try
>         {
>             System.out.println("SipServletRequest: Got doRegister:\n" +
> request);
>
>
>             SipServletResponse resp =
> request.createResponse(SipServletResponse.SC_OK);
>
>             resp.send();
>         }
>         catch(Exception e)
>         {
>             e.printStackTrace();
>         }
>
>     }
> }
>
> and sip.xml is as follows..
>
>
> <sip-app>
>     <display-name>Simple Proxy Servlet</display-name>
>     <description>Simple Proxy Servlet</description>
>     <servlet>
>         <servlet-name>SimpleProxyServlet</servlet-name>
>         <display-name>SimpleProxyServlet</display-name>
>         <description>Simple SIP proxy servlet</description>
>         <servlet-class>com.sip.servlet.SimpleProxyServlet</servlet-class>
>         <load-on-startup>1</load-on-startup>
>     </servlet>
>     <servlet-mapping>
>         <servlet-name>SimpleProxyServlet</servlet-name>
>         <pattern>
>             <or>
>                 <equal>
>                     <var>request.method</var>
>                     <value>REGISTER</value>
>                 </equal>
>             </or>
>         </pattern>
>     </servlet-mapping>
> </sip-app>
>
>
> I am using X-Lite softphone for testing this code. When ever first request
> came to server, my doRegister of the servlet is called and request is
> preocessed by the servlet. But when i am sending second register request
> using other PC then it shows the request timeout on the softphone and also
> my doREgister method is also not called.
>
> I have also checked that if it is problem due to sending the request from
> other PC but if i send first request from other PC then servlet process the
> request and again second request is not processed.
>
> Plz help me to solve this problem.
>
>
> Thanks.
> amit
>
>
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