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<tt>Hi Dheeraj,<br>
<br>
All sequential requests related to SIP dialogs going through B2B
are automatically handled by B2B module, invisible from script
level.<br>
<br>
If the BYE you get ends up in script, it may be because the BYE is
bogus (as SIP) and does not match the B2B dialogs.<br>
<br>
Best Regards,<br>
</tt>
<pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
<div class="moz-cite-prefix">On 09.06.2015 09:58, Dheeraj Bisht
wrote:<br>
</div>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">I am new to Opensips and also new on SIP as
well. I am trying to configure Opensips as B2BUA top hiding
mode.<o:p></o:p></p>
<p class="MsoNormal">I used the below configuration for that:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">route {<o:p></o:p></p>
<p class="MsoNormal">…………….<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> if(is_method("INVITE")&& !(src_ip
== "<my IP>” && src_port ==5060)) /* skip Invite
messages generated by the B2BUA*/<o:p></o:p></p>
<p class="MsoNormal"> {<o:p></o:p></p>
<p class="MsoNormal"> b2b_init_request("top hiding");<o:p></o:p></p>
<p class="MsoNormal"> exit; # do not forward this request,
another one will be generated<o:p></o:p></p>
<p class="MsoNormal"> };<o:p></o:p></p>
<p class="MsoNormal">…………….<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">With such configuration, I am able to
establish a call between my client and server machine.
<o:p></o:p></p>
<p class="MsoNormal">During the call establishment, Opensips
B2BUA translated the Call ID with its own call ID
[B2B.###.######]<o:p></o:p></p>
<p class="MsoNormal">However, when I tried to terminate the
call, Opensips B2BUA does not translate the call ID and its
causes the error at the server.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Looking into the looks, it seemed to me
that the Opensips B2BUA does not go to search the dialog
context while handling BYE message.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The termination works fine for me when I
changed the small code in b2b_prescript_f so that the code go
to search the dialog when BYE message arrives.<o:p></o:p></p>
<p class="MsoNormal"> if((method_value == METHOD_ACK) ||<o:p></o:p></p>
<p class="MsoNormal"> (method_value == METHOD_BYE))
//BYE Method added here<o:p></o:p></p>
<p class="MsoNormal"> {<o:p></o:p></p>
<p class="MsoNormal"> goto search_dialog;<o:p></o:p></p>
<p class="MsoNormal"> }<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Let me know if I am missing something here?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards<o:p></o:p></p>
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