[Kamailio-Users] [SR-Users] force_rtp_proxy() vis-a-vis BYE

[Iñaki Baz Castillo]

2009/7/8 Klaus Darilion <klaus.mailinglists at pernau.at>:
>> I don't understand this. PATH is required when a registration is done
>> through an outbound proxy, so the registrar routes request for that
>> AoR using also through the outbound proxy (the RURI is the Contact of
>> the REGISTER but the request is sent to the OBP.
>
> E.g.:  client <--->OBP<---->Registrar
>
> If the Registrar does the NAT traversal, the NAT traversal mechanism must
> take into account the PATH, that means either:
>
> - send OPTION requests to the client using a pre loaded route via the OBP
> - send OPTION requests or emtpy CRLF packets with spoofed source IP (the IP
> of the OBP)
>
> If the OBP does the NAT traversal, the NAT traversal mechanism need not take
> care about PATH because there is no SIP proxy between the client and the
> OBP.

Yes, but what I mean is that in the above escenario PATH is required
in order client to receive calls from Registrar (forget NAT now).

-- 
Iñaki Baz Castillo
<ibc at aliax.net>