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[reSIProcate] application timer in resiprocate architecture


Hi,

I have few questions regarding the AppTimerQueue in reSIProcate architecture.

1. How this AppTimerQueue is initialized for timers for each of the TUs? It is
connected with the SIP Stack Obj box in the arch. diag.

2. What is the significance of SIP Stack Obj block in the architecture design
as it looks like referring to the SIP stack only (as the name suggests). So I
want to know what exact functionality it is supposed for.

3. What can be the scenarios where I would need to tell the application about
the timeouts. Only one that I can think of is that on UAS side, receiving a
request if the TU does not provision within 200ms then the transaction layer
can send a provisional response to the peer. Here it will be good to send a
timeout to the App.

Thanks,

Regards,
Nilay