[Freeswitch-users] Re ceiving only RTP packets

[Anton Kvashenkin]

Very handy tool indeed fs_logger.pl.

2012/5/5 Michael Collins <msc at freeswitch.org>

> Did you ever resolve this? If not, get a debug console log and put it up
> on pastebin and then put the pb url here in this thread.
> -MC
>
>
> On Fri, Apr 27, 2012 at 4:44 AM, rajprithiv89 <
> rajkumar.kanniappan at sasken.com> wrote:
>
>>
>> Hi,
>>
>> we are using csipsimple android voip application which uses Freeswitch as
>> SIP/Media server.
>>
>> We established voip calls between two android clients(A, B) by enabling
>> SRTP
>> in both the sides.
>>
>> Now the problem observed here is, when we captured the packet flow in
>> wireshark, the client which initiates the call(A) is sending SRTP packets
>> and the client which receives the call sends only RTP packets and the
>> FreeSwitch sends SRTP packets to both the clients.
>>
>> We have tested FreeSwitch with other application, there also we ended up
>> in
>> the same problem(one sided SRTP packets flow).
>> Also we have tested the same CSipSimple application with Asterisk server.
>> It
>> works fine by sending SRTP packets from both the clients.
>>
>>
>> When i captured the Wireshark packets SDP contains:
>>
>>
>> >From A to Server:
>>
>> m= audio 4006 RTP/SAVP 98 97 99
>>
>>
>>
>> >From Server to B
>>
>> m = audio 31562 RTP/SAVP 3 98 99 9
>> m = audio 31562 RTP/AVP 3 98 99 9
>> (sends two media line, one for SRTP and one for RTP)
>>
>>
>>
>> >From B to Server(Negotiation done)
>>
>> m = audio 4014 RTP/SAVP 3 96
>> m = audio 0 RTP/AVP 3 98 99 9   (This is to inform, B is not going to use
>> RTP by putting the port number as 0)
>>
>>
>> >From Server to A(Negotiation done)
>>
>> m = audio 32338 RTP/SAVP 3 96
>>
>>
>>
>> But in the end,
>> A is sending SRTP packets
>> Server is sending SRTP packets
>> B is sending only RTP packets (But in the negotiation RTP/AVP port was 0)
>>
>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20120505/c0b08249/attachment-0001.html