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[mcampbellsmith at gmai...]

Hi!

I have just experienced some call drops and each time the sequence is
the same in the freeswitch.log file. Both parties are sure that they
did not accidentally hit the 3 button to send the DTMF tone (and the
same thing has happened four times already after ~5 minutes).

2009-09-13 19:28:23.835216 [DEBUG] sofia.c:4329 INFO DTMF(3)
2009-09-13 19:28:23.835216 [DEBUG] sofia.c:4450 dispatched freeswitch
event for INFO
2009-09-13 19:28:23.859408 [DEBUG] switch_rtp.c:1624 Send start packet
for [3] ts=2591120 dur=160/160/13120 seq=64923
2009-09-13 19:28:23.879439 [DEBUG] switch_rtp.c:1560 Send middle
packet for [3] ts=2591120 dur=320/320/13120 seq=64924
2009-09-13 19:28:23.899455 [DEBUG] switch_rtp.c:1560 Send middle
packet for [3] ts=2591120 dur=480/480/13120 seq=64925
:
:
2009-09-13 19:28:25.439404 [DEBUG] switch_rtp.c:1560 Send middle
packet for [3] ts=2591120 dur=12800/12800/13120 seq=65002
2009-09-13 19:28:25.459312 [DEBUG] switch_rtp.c:1560 Send middle
packet for [3] ts=2591120 dur=12960/12960/13120 seq=65003
2009-09-13 19:28:25.479183 [DEBUG] switch_rtp.c:1560 Send end packet
for [3] ts=2591120 dur=13120/13120/13120 seq=65004
2009-09-13 19:28:25.479183 [DEBUG] switch_rtp.c:1560 Send end packet
for [3] ts=2591120 dur=13120/13120/13120 seq=65005
2009-09-13 19:28:25.479183 [DEBUG] switch_rtp.c:1560 Send end packet
for [3] ts=2591120 dur=13120/13120/13120 seq=65006
2009-09-13 19:28:33.879341 [NOTICE] sofia.c:322 Hangup
sofia/external/<number> [CS_EXCHANGE_MEDIA] [NORMAL_CLEARING]
2009-09-13 19:28:33.879341 [DEBUG] switch_channel.c:1683 Send signal
sofia/external/<number> [KILL]
2009-09-13 19:28:33.879341 [DEBUG] switch_core_session.c:932 Send
signal sofia/external/<number> [BREAK]
2009-09-13 19:28:33.900940 [DEBUG] switch_ivr_bridge.c:371
sofia/external/<number> ending bridge by request from write function
2009-09-13 19:28:33.900940 [DEBUG] switch_ivr_bridge.c:426
sofia/internal_nat/1000@192.168.1.120 receive message [UNBRIDGE]
2009-09-13 19:28:33.900940 [DEBUG] switch_core_session.c:630 Send
signal sofia/internal_nat/1000@192.168.1.120 [BREAK]
2009-09-13 19:28:33.900940 [DEBUG] switch_ivr_bridge.c:452 BRIDGE
THREAD DONE [sofia/internal_nat/1000@192.168.1.120]
2009-09-13 19:28:33.900940 [DEBUG] switch_ivr_bridge.c:454 Send signal
sofia/external/<number> [BREAK]
2009-09-13 19:28:33.912049 [NOTICE] switch_core_state_machine.c:179
Hangup sofia/internal_nat/1000@192.168.1.120 [CS_EXECUTE]
[NORMAL_CLEARING]

Anyone have any idea what this sequence means and why I am getting
this? Is it my sip provider or something in FreeSwitch? What does
the 'Send end packet for [3] ts=2591120 dur=13120/13120/13120
seq=65006' mean? Notice that dur (duration?) is increasing a lot
until the call drops.

Thanks!

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[msc at freeswitch.org]

Is this still happening? If so please make sure that you are on latest trunk and re-test. Get a pcap of the traffic (SIP and RTP) for review and then report back.

Thanks,
MC

On Sun, Sep 13, 2009 at 2:34 AM, Mark Campbell-Smith <mcampbellsmith@gmail.com (mcampbellsmith@gmail.com)> wrote:

[mcampbellsmith at gmai...]

The problem hasn't been seen again, but the exact call case has not
been performed again.

Will update freeswitch and monitor next time.

Cheers
MCS

On Sat, Sep 19, 2009 at 6:27 AM, Michael Collins <msc@freeswitch.org> wrote: