[OpenSER-Users] Intial INVITES without SDP

[Bogdan-Andrei Iancu]

Hi Patrick,

yes, the nathelper module has the capability to deal with SDP 
negotiation via 200 OK / ACK by using the "s" flag, as Mario pointed out.

Regards,
Bogdan

Patrick Miccio wrote:
> Hey,
>
>
> your log shows the "lookup" from the 200 OK coming from the UAS, and the "request" from the ACK coming from the UAC, its
> the same here :(
>
> and yeah force_rtp_proxy only works with nathelper/rtpproxy.
>
> cheers,
>
> Patrick.
>
>
>
>   
>> Thanks,
>>
>> I've been checking the proxydispatcher log and what I see is:
>> lookup 5ecf1d19b23bdea6 at xxx.xxx.10.11<mailto:5ecf1d19b23bdea6 at xxx.xxx.10.11>
>> 192.168.1.131:3918<http://192.168.1.131:3918>:audio,192.168.1.131:13598<http://192.168.1.131:13598>:video
>> 87.220.61.76<http://87.220.61.76> xxx.xxx.10.11 remote xxx.xxx.10.13 unknown UtoPIA=20TNO/Sceneware
>> info=from:test at xxx.xxx.10.11<mailto:from:test at xxx.xxx.10.11>,to:img2 at xxx.xxx.10.13<mailto:to:img2 at xxx.xxx.10.13>,fromtag:b61e31363043b636,totag:98af7baa
>>
>> request 5ecf1d19b23bdea6 at xxx.xxx.10.11<mailto:5ecf1d19b23bdea6 at xxx.xxx.10.11>
>> xxx.xxx.10.11:25968:audio,xxx.xxx.10.11:25970:video xxx.xxx.10.11 xxx.xxx.10.11 remote xxx.220.61.76 remote
>> TANDBERG/37=20(V3Beta0)
>> info=from:test at xxx.xxx.10.11<mailto:from:test at xxx.xxx.10.11>,to:img2 at xxx.xxx.10.13<mailto:to:img2 at xxx.xxx.10.13>,fromtag:b61e31363043b636,totag:98af7baa
>>
>> Regarding the force_rtp_proxy("s") should be used with RTP Proxy but no with MediaProxy? Am I right?
>>
>> M
>>
>>
>> 2008/1/24, Patrick Miccio <pmiccio at upcbroadband.com<mailto:pmiccio at upcbroadband.com>>:
>> Ok,
>>
>> as far as I understood everything correctly the mediaproxy module seems to be the problem.
>>
>> mediaproxy.c  contains the following code:
>>
>>
>>    if (msg->first_line.type == SIP_REQUEST) {
>>        request = True;
>>    } else if (msg->first_line.type == SIP_REPLY) {
>>        request = False;
>>    } else {
>>        return -1;
>>    }
>>
>>
>> that means that in a reply route  "request" will always be "False" and use_media_proxy() will result in a lookup
>> command, the proxydispatcher however expects a request command to create sessions according to
>> mediaproxy/modules/dispatcher.py
>>
>>
>> The nathelper module from openser offers the force_rtp_proxy("s") command, a functionality that would be welcome in
>> mediaproxy module unless you one could call the proxydispatcher from the nathelper module.
>>
>>
>>
>> If I got anything wrong please correct me.
>>
>>
>> cheers,
>>
>> Patrick.
>>