asterisk users - Jan 2008 - Incoming call from SIP proxy to asterisk

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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> ----- Original Message ----
> From: Mayur <mninama at varaha.com>
> To: asterisk-users at lists.digium.com
> Sent: Thursday, 31 January, 2008 9:59:42 AM
> Subject: [asterisk-users] Incoming call from SIP proxy to asterisk
 > 
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?
     

Hi Mayur,

Set the outboundproxy setting for the SIP accounts on Asterisk to the IP address
of your SIP Proxy.

Note there is also an outboundproxyport setting but it gets ignored by Asterisk.
You won't need to worry about this if your SIP proxy is on port 5060.

Regards,

Greyman.
     

   









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