<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">Hello,</span><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">I&#39;m testing the B2BModule with this sipp Scenario (A simple CANCEL Call).</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">This is the results of the execution script throught Opensips with a proxy configuration file </div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">Sipp Originating</div><div style="font-family:arial,sans-serif;font-size:13px"><div>                                 Messages  Retrans   Timeout   Unexpected-Msg</div>
<div>      INVITE ----------&gt;         1         0         0</div><div>           100 &lt;----------         1         0         0         0</div><div>   CANCEL ----------&gt;         1         0</div><div>           200 &lt;----------         1         0         0         0</div>
<div>           487 &lt;----------         1         0         0         0</div><div><br></div><div>          ACK ----------&gt;         1         0</div><div>------------------------------ Test Terminated --------------------------------</div>
</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px"><div>Sipp Terminating<br>
</div><div>                                 Messages  Retrans   Timeout   Unexpected-Msg</div><div>  ----------&gt; INVITE             1         0         0         0</div><div>    &lt;---------- 100                1         0</div>
<div><br></div><div>----------&gt; CANCEL             1         0         0         0</div><div>     &lt;---------- 200                1         0</div><div><br></div><div>     &lt;---------- 487                1         0</div>
<div><br></div><div>   ----------&gt; ACK                1         0         0         0</div><div>------------------------------ Test Terminated --------------------------------</div></div><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px">everything is OK with this sipp scenario.</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px">When i tried to execute  the same scenario with the B2BUA Module( the topology hiding), the execution failed.</div><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px">this is the sipp result </div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
Sipp Originating<br></div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px"><div>                             Messages  Retrans   Timeout   Unexpected-Msg</div>
<div>      INVITE ----------&gt;         1         0         0</div><div>           100 &lt;----------         1         0         0         0</div><div>   CANCEL ----------&gt;         1         0</div><div>           200 &lt;----------         1         0         0         0</div>
<div>           487 &lt;----------         0         0         0         1</div><div><br></div><div>          ACK ----------&gt;         0         0</div></div><div style="font-family:arial,sans-serif;font-size:13px"><br>
</div><div style="font-family:arial,sans-serif;font-size:13px">Sipp Terminating<br></div><div style="font-family:arial,sans-serif;font-size:13px"><div>                                Messages  Retrans   Timeout   Unexpected-Msg</div>
<div> </div><div>    ----------&gt; INVITE             1         1         0         0</div><div>      &lt;---------- 100                1         1</div><div>  ----------&gt; CANCEL             1         0         0         0</div>
<div>       &lt;---------- 200                1         0</div><div><br></div><div>       &lt;---------- 487                1         0</div><div><br></div><div>      ----------&gt; ACK                1         0         0         0</div>
</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">The Originating Cancel was&#39;nt forwarding to the other side, and the Opensips timeout   Cancelled the terminating side and sent a 408 to the Originating side.</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">Is it a mistake of Configuration file or Must I do a specific treatment of CANCEL ?</div><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px"><span style="color:rgb(0,0,0)">Thanks in advance,</span><br></div></div>