Sep 20 04:49:32 DEBUG[19736]: dsp.c:1621 ast_dsp_set_busy_pattern: dsp busy pattern set to 0,0
Sep 20 04:49:32 DEBUG[19736]: chan_zap.c:1914 zt_call: Dialing '1234567890'
Sep 20 04:49:32 DEBUG[19736]: chan_zap.c:1986 zt_call: Deferring dialing...
    -- Called 1/1234567890
Sep 20 04:49:33 DEBUG[19736]: chan_zap.c:4351 __zt_exception: Exception on 19, channel 1
Sep 20 04:49:33 DEBUG[19736]: chan_zap.c:3539 zt_handle_event: Got event Hook Transition Complete(12) on channel 1 (index 0)
Sep 20 04:49:35 DEBUG[19736]: chan_zap.c:4351 __zt_exception: Exception on 19, channel 1
Sep 20 04:49:35 DEBUG[19736]: chan_zap.c:3539 zt_handle_event: Got event Dial Complete(9) on channel 1 (index 0)
Sep 20 04:49:35 DEBUG[19736]: chan_zap.c:1403 zt_enable_ec: Enabled echo cancellation on channel 1
Sep 20 04:49:35 DEBUG[19736]: chan_zap.c:1419 zt_train_ec: Engaged echo training on channel 1
Sep 20 04:49:37 DEBUG[19736]: chan_zap.c:4351 __zt_exception: Exception on 19, channel 1
Sep 20 04:49:37 DEBUG[19736]: chan_zap.c:3539 zt_handle_event: Got event Dial Complete(9) on channel 1 (index 0)
Sep 20 04:49:37 DEBUG[19736]: chan_zap.c:1383 zt_enable_ec: Echo cancellation already on
Sep 20 04:49:37 DEBUG[19694]: channel.c:777 channel_find_locked: Avoiding initial deadlock for 'Zap/1-1'
    -- Zap/1-1 answered IAX2/1112-2
Sep 20 04:49:37 DEBUG[19702]: chan_iax2.c:7248 socket_read: Peer lastms 415, historicms 415, maxms 3000
Sep 20 04:49:37 DEBUG[19702]: chan_iax2.c:7248 socket_read: Peer lastms 419, historicms 419, maxms 3000
Sep 20 04:49:37 DEBUG[19702]: chan_iax2.c:6772 socket_read: Ooh, voice format changed to 2
Sep 20 04:49:51 DEBUG[19736]: channel.c:3349 ast_generic_bridge: Got DTMF on channel (IAX2/1112-2)
Sep 20 04:49:51 DEBUG[19736]: channel.c:3604 ast_channel_bridge: Bridge stops bridging channels IAX2/1112-2 and Zap/1-1
Sep 20 04:49:51 DEBUG[19736]: res_features.c:999 ast_feature_interpret: Feature interpret: chan=IAX2/1112-2, peer=Zap/1-1, sense=1, features=2
Sep 20 04:49:51 DEBUG[19736]: chan_zap.c:4351 __zt_exception: Exception on 19, channel 1
Sep 20 04:49:51 DEBUG[19736]: chan_zap.c:3539 zt_handle_event: Got event Dial Complete(9) on channel 1 (index 0)
Sep 20 04:49:51 DEBUG[19736]: chan_zap.c:1383 zt_enable_ec: Echo cancellation already on
Sep 20 04:49:57 DEBUG[19736]: channel.c:3349 ast_generic_bridge: Got DTMF on channel (IAX2/1112-2)
Sep 20 04:49:57 DEBUG[19736]: channel.c:3604 ast_channel_bridge: Bridge stops bridging channels IAX2/1112-2 and Zap/1-1
Sep 20 04:49:57 DEBUG[19736]: res_features.c:999 ast_feature_interpret: Feature interpret: chan=IAX2/1112-2, peer=Zap/1-1, sense=1, features=2
Sep 20 04:49:57 DEBUG[19736]: res_features.c:1477 ast_bridge_call: Set time limit to 500
Sep 20 04:49:59 DEBUG[19702]: channel.c:644 ast_queue_frame: Dropping voice to exceptionally long queue on IAX2/1112-2
Sep 20 04:49:59 DEBUG[19702]: channel.c:644 ast_queue_frame: Dropping voice to exceptionally long queue on IAX2/1112-2
Sep 20 04:49:59 DEBUG[19702]: channel.c:644 ast_queue_frame: Dropping voice to exceptionally long queue on IAX2/1112-2
Sep 20 04:49:59 DEBUG[19702]: channel.c:644 ast_queue_frame: Dropping voice to exceptionally long queue on IAX2/1112-2
Sep 20 04:49:59 DEBUG[19702]: channel.c:644 ast_queue_frame: Dropping voice to exceptionally long queue on IAX2/1112-2
Sep 20 04:49:59 DEBUG[19702]: channel.c:644 ast_queue_frame: Dropping voice to exceptionally long queue on IAX2/1112-2
Sep 20 04:49:59 DEBUG[19702]: channel.c:644 ast_queue_frame: Dropping voice to exceptionally long queue on IAX2/1112-2

A LOT OF ABOVE MESSAGES AND THEN I hangup

Sep 20 04:50:05 DEBUG[19702]: channel.c:644 ast_queue_frame: Dropping voice to exceptionally long queue on IAX2/1112-2
Sep 20 04:50:05 DEBUG[19702]: chan_iax2.c:7065 socket_read: Immediately destroying 2, having received hangup
Sep 20 04:50:05 DEBUG[19736]: channel.c:3513 ast_channel_bridge: Bridge stops because we're zombie or need a soft hangup: c0=IAX2/1112-2, c1=Zap/1-1, flags: No,Yes,No,No
Sep 20 04:50:05 DEBUG[19736]: channel.c:3604 ast_channel_bridge: Bridge stops bridging channels IAX2/1112-2 and Zap/1-1
Sep 20 04:50:05 DEBUG[19736]: res_features.c:1350 ast_bridge_call: Timed out for feature!
Sep 20 04:50:05 WARNING[19736]: res_features.c:1384 ast_bridge_call: Bridge failed on channels IAX2/1112-2 and Zap/1-1
Sep 20 04:50:05 DEBUG[19736]: chan_zap.c:2342 zt_hangup: Hangup: channel: 1 index = 0, normal = 19, callwait = -1, thirdcall = -1
Sep 20 04:50:05 DEBUG[19736]: chan_zap.c:1435 zt_disable_ec: disabled echo cancellation on channel 1
Sep 20 04:50:05 DEBUG[19736]: chan_zap.c:2782 zt_setoption: Set option TDD MODE, value: OFF(0) on Zap/1-1
Sep 20 04:50:05 DEBUG[19736]: chan_zap.c:1372 update_conf: Updated conferencing on 1, with 0 conference users
    -- Hungup 'Zap/1-1'
Sep 20 04:50:05 DEBUG[19736]: app_dial.c:1635 dial_exec_full: Exiting with DIALSTATUS=ANSWER.
  == Spawn extension (local, 9039054054, 1) exited non-zero on 'IAX2/1112-2'
Sep 20 04:50:05 DEBUG[19736]: chan_iax2.c:3101 iax2_hangup: We're hanging up IAX2/1112-2 now...
Sep 20 04:50:05 DEBUG[19736]: chan_iax2.c:3111 iax2_hangup: Really destroying IAX2/1112-2 now...
    -- Hungup 'IAX2/1112-2'