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<div dir="ltr" data-setdir="false">Thank you a lot for your kindly help and reply. Actually it helped me a lot.</div><div dir="ltr" data-setdir="false">I was using _X. in the extensions.conf at the trunkinbound context.</div><div dir="ltr" data-setdir="false">Can you advise me what is the difference between _X. and s? In other words, when it is better to use s and when it is better to use _X.?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Again, I am fully thanks for you.</div><div dir="ltr" data-setdir="false">Regards</div><div dir="ltr" data-setdir="false">Bilal</div><div><br></div></div><div id="ydpea1ea78dyahoo_quoted_7914969107" class="ydpea1ea78dyahoo_quoted"><div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;"><div><div dir="ltr">> Hello;<br></div><div dir="ltr">> <br></div><div dir="ltr">> I am facing a trouble with the SIP service provider, they are saying <br></div><div dir="ltr">> that there is a problem related to message option 200 (the heartbeat), <br></div><div dir="ltr">> so what is required to add this for the sip configuration? Below is my <br></div><div dir="ltr">> sip debug trace log with the them and the sip peer configuration:<br></div><div dir="ltr"><br></div><div dir="ltr">OPTIONS is treated as if it were an INVITE, so it looks up the extension in the dialplan. The following shows what extension and context:<br></div><div dir="ltr"><br></div><div dir="ltr">[Sep 4 12:42:20] Looking for s in trunkinbound (domain 10.240.147.26)<br></div><div dir="ltr"><br></div><div dir="ltr">If you add an "s" extension to the "trunkinbound" context it should then respond 200 OK.<br></div><div dir="ltr"><br></div><div dir="ltr">-- <br></div><div dir="ltr">Joshua C. Colp<br></div><div dir="ltr">Digium - A Sangoma Company | Senior Software Developer<br></div><div dir="ltr">445 Jan Davis Drive NW - Huntsville, AL 35806 - US<br></div><div dir="ltr">Check us out at: www.digium.com & www.asterisk.org</div></div>
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