[SR-Users] Making iPhone SIP client work with Kamailio

[Krishna Kurapati]

Thanks for the suggestion. I added following lines to the config

#!define FLB_NATB 6
#!define FLB_NATSIPPING 7
# ----- nathelper params -----
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)
modparam("nathelper", "sipping_method", "INFO")
modparam("nathelper", "sipping_from", "sip:pinger at 10.1.0.6")

# params needed for NAT traversal in other modules
modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")
modparam("usrloc", "nat_bflag", FLB_NATB)

However, I do not see INFO messages from server to client in ngrep
Am I missing something else to configure here?

Thanks
Krish Kura

On Fri, Sep 30, 2011 at 2:52 AM, Daniel-Constantin Mierla <miconda at gmail.com
> wrote:

>  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/kathttp://linkedin.com/in/miconda -- http://twitter.com/miconda
>
>
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