Not sure, but maybe it is related to this: 

1. 2011-04-24 11:02:33.597127 [DEBUG] switch_core_session.c:1939 Application start_dtmf_generate Requires media! pre_answering channel sofia/internal/1234@172.20.0.20
2. 2011-04-24 11:02:33.597127 [INFO] switch_core_session.c:1941 Sending early media
3. 2011-04-24 11:02:33.597127 [DEBUG] sofia_glue.c:3033 AUDIO RTP [sofia/internal/1234@172.20.0.20] 172.20.0.20 port 26668 -> 172.20.0.50 port 16442 codec: 0 ms: 20

Maybe try to disable temporarily the "start_dtmf_generate"

and see if it helps.

Vitalie

2011/4/24 Philippe Le Toquin <philippe@ppmt.org>

Hello,

I had the problem a few weeks ago but after a reinstall (unrelated to that) the problem had gone so I put it
done as my messing up my system at the time!

But today I had the same issue again. When I call sometime the call is not going through completely

The symptom on my side are that nothing happens (no ring tone) on the other they say that the phones
rings but when they pick up the phone they can't hear anything.

Below is a siptrace where I changed the number and IP so I hope I didn't mess it up too much.

http://pastebin.freeswitch.org/16165

Can someone let me know if they see something wrong? I tried to understand but it is beyond me :(

Regards

/Philippe

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