[asterisk-users] Incoming call from SIP proxy to asterisk

[Mayur]

Hi,

   I have asterisk register two users (client-1, client-2) with a SIP proxy.
I have the same two SIP client registered with asterisk. Now my dial plan
setup is such that any call from client-1/client-2 is forwarded to the SIP
proxy and the SIP proxy then takes the routing decision. Calls coming from
SIP proxy will dial out the respective user. Asterisk is required to stay in
the signaling as well as the media path. 

Client-1----------> Asterisk-------------> SIP Proxy

Client-2<----------             <------------

So for call from client-1 to client-2, asterisk forwards the INVITE to the
SIP proxy but when the SIP proxy gives the INVITE back to asterisk (as
asterisk registered client-2 with the SIP proxy), asterisk is challenging
the incoming INVITE. It seems asterisk is seeing the INVITE from SIP proxy
as INVITE coming from client (this is I guess as per the lookup that
asterisk performs). However is there a way to have it first match the INVITE
host IP rather than FROM user first? Or rather is there a way to have this
setup working?

 

Regards,

Mayur

 

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