[SR-Users] Making iPhone SIP client work with Kamailio
Daniel-Constantin Mierla
miconda at gmail.com
Fri Sep 30 09:52:49 CEST 2011
Hello,
On 9/30/11 12:51 AM, Krishna Kurapati wrote:
>
> Hi,
>
> The iPhone client, when it goes into background, can only respond
> to incoming messages.
> That makes the Registration expire when there is no communication
> from the server before
> the expire time. I could make the Registration not expire at all.
> Not sure it's the only option.
>
> Is there a way to send a Ping message from server periodically to
> the iPhone SIP client. This
> will wakeup the SIP client and resend REGISTER message.
>
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).
http://kamailio.org/docs/modules/stable/modules_k/usrloc.html
http://kamailio.org/docs/modules/stable/modules_k/nathelper.html
Cheers,
Daniel
--
Daniel-Constantin Mierla -- http://www.asipto.com
Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kat
http://linkedin.com/in/miconda -- http://twitter.com/miconda
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