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Hello,<br>
<br>
On 9/30/11 12:51 AM, Krishna Kurapati wrote:
<blockquote
cite="mid:CAOzCjAccKgUj5CVtD83q-kppYsx4QGsuJuCdS9JvhjvB=hrRfQ@mail.gmail.com"
type="cite">
<div class="gmail_quote">
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
0.8ex; border-left: 1px solid rgb(204, 204, 204);
padding-left: 1ex;">Hi,
<div><br>
</div>
<div>The iPhone client, when it goes into background, can only
respond to incoming messages.</div>
<div>That makes the Registration expire when there is no
communication from the server before</div>
<div>the expire time. I could make the Registration not expire
at all. Not sure it's the only option.</div>
<div><br>
</div>
<div>Is there a way to send a Ping message from server
periodically to the iPhone SIP client. This</div>
<div>will wakeup the SIP client and resend REGISTER message.</div>
<div><br>
</div>
</blockquote>
</div>
</blockquote>
you can set the nat_bflag (see usrloc module) to mark the
registration as being natted. Then use nathelper module mark it to
send OPTIONS ping (sipping_bflag parameter).<br>
<br>
<a class="moz-txt-link-freetext" href="http://kamailio.org/docs/modules/stable/modules_k/usrloc.html">http://kamailio.org/docs/modules/stable/modules_k/usrloc.html</a><br>
<a class="moz-txt-link-freetext" href="http://kamailio.org/docs/modules/stable/modules_k/nathelper.html">http://kamailio.org/docs/modules/stable/modules_k/nathelper.html</a><br>
<br>
Cheers,<br>
Daniel<br>
<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla -- <a class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a>
Kamailio Advanced Training, Oct 10-13, Berlin: <a class="moz-txt-link-freetext" href="http://asipto.com/u/kat">http://asipto.com/u/kat</a>
<a class="moz-txt-link-freetext" href="http://linkedin.com/in/miconda">http://linkedin.com/in/miconda</a> -- <a class="moz-txt-link-freetext" href="http://twitter.com/miconda">http://twitter.com/miconda</a></pre>
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