[SR-Users] Kamailio 1.5: replying a 200 (OPTIONS) with SDP

[Andreas Heise]

Hi Iñaki,

which kind of Alcatel PBX it is? I use OPTIONS with and without SDP in 
200 without
problems since several years with Alcatel OmniPCX Enterprise systems.

regards,
Andreas


Am 12.07.2011 15:37, schrieb Iñaki Baz Castillo:
> Hi, I've a stupid SIP PBX (Alcatel) which after registering sends a
> periodic OPTIONS with no RURI username and with "Accept:
> application/sdp". My proxy replies 200 in this case, but without SDP
> body (how could I know which codecs to show???) and unfortunately the
> Alcatel does not like it and send retransmissions of the requests (sad
> but true). After a while Alcatel determines that the proxy is down
> (pathetic but true).
>
> So I must do a hack and reply 200 with SDP from Kamailio when the
> request is an OPTIONS and contains "Accept: application/sdp". I don't
> want to forward the OPTIONS to PSTN gateways behind Kamailio for
> different reasons.
>
> Which would be the best way to do it? is it possible to add a spoofed
> body to a response replied stateless from Kamailio?
> Note: options_reply() in siputils module is not valid as AFAIK it does
> not show a SDP.
>
> Thanks a lot.
>