bueno les cuento tengo un problema tengo * instalado y lo que me pasa es que cuando llamo a la calle por mi tarjeta TDM400p dura un rato y luego se me cuelga la llamada que puede ser?? es de tener en cuenta que el circuito queda ocupado y hasta despues cuelga la llamada y me libera el circuito.

pego el log

Sep 13 17:21:28 VERBOSE: -- Executing Macro("SIP/217-8b5a", "dialout-trunk|1|2652144|") in new stack
Sep 13 17:21:28 DEBUG: Expression is '1'
Sep 13 17:21:28 VERBOSE: -- Executing GotoIf("SIP/217-8b5a", "1?3:2)") in new stack
Sep 13 17:21:28 VERBOSE: -- Goto (macro-dialout-trunk,s,3)
Sep 13 17:21:28 VERBOSE: -- Executing Macro("SIP/217-8b5a", "record-enable|217|OUT") in new stack
Sep 13 17:21:28 VERBOSE: -- Executing GotoIf("SIP/217-8b5a", "0 > 0?2:4") in new stack
Sep 13 17:21:28 VERBOSE: -- Goto (macro-record-enable,s,4)
Sep 13 17:21:28 DEBUG: Expression is '1'
Sep 13 17:21:28 VERBOSE: -- Executing GotoIf("SIP/217-8b5a", "1?5:8") in new stack
Sep 13 17:21:28 VERBOSE: -- Goto (macro-record-enable,s,5)
Sep 13 17:21:28 VERBOSE: -- Executing DBget("SIP/217-8b5a", "RecEnable=RECORD-OUT/217") in new stack
Sep 13 17:21:28 VERBOSE: -- DBget: varname=RecEnable, family=RECORD-OUT, key=217
Sep 13 17:21:28 DEBUG: Unable to find key '217' in family 'RECORD-OUT'
Sep 13 17:21:28 VERBOSE: -- DBget: Value not found in database.
Sep 13 17:21:28 VERBOSE: -- Executing SetVar("SIP/217-8b5a", "CALLFILENAME=OUT217-20050913-172128-1126646488.58") in new stack
Sep 13 17:21:28 VERBOSE: -- Executing Goto("SIP/217-8b5a", "s|14") in new stack
Sep 13 17:21:28 VERBOSE: -- Goto (macro-record-enable,s,14)
Sep 13 17:21:28 DEBUG: Expression is '0'
Sep 13 17:21:28 VERBOSE: -- Executing GotoIf("SIP/217-8b5a", "0?15:99") in new stack
Sep 13 17:21:28 VERBOSE: -- Goto (macro-record-enable,s,99)
Sep 13 17:21:28 VERBOSE: -- Executing NoOp("SIP/217-8b5a", "NO RECORDING NEEDED") in new stack
Sep 13 17:21:28 DEBUG: Expression is '1'
Sep 13 17:21:28 VERBOSE: -- Executing GotoIf("SIP/217-8b5a", "1?7") in new stack
Sep 13 17:21:28 VERBOSE: -- Goto (macro-dialout-trunk,s,7)
Sep 13 17:21:28 DEBUG: Expression is '1'
Sep 13 17:21:28 VERBOSE: -- Executing GotoIf("SIP/217-8b5a", "1?9") in new stack
Sep 13 17:21:28 VERBOSE: -- Goto (macro-dialout-trunk,s,9)
Sep 13 17:21:28 VERBOSE: -- Executing SetGroup("SIP/217-8b5a", "OUT_1") in new stack
Sep 13 17:21:28 VERBOSE: -- Executing CheckGroup("SIP/217-8b5a", "") in new stack
Sep 13 17:21:28 WARNING: CheckGroup requires an argument(max)
Sep 13 17:21:28 VERBOSE: -- Executing SetVar("SIP/217-8b5a", "DIAL_NUMBER=2652144") in new stack
Sep 13 17:21:28 VERBOSE: -- Executing SetVar("SIP/217-8b5a", "DIAL_TRUNK=1") in new stack
Sep 13 17:21:28 VERBOSE: -- Executing AGI("SIP/217-8b5a", "fixlocalprefix") in new stack
Sep 13 17:21:28 VERBOSE: -- Launched AGI Script /var/lib/asterisk/agi-bin/fixlocalprefix
Sep 13 17:21:28 VERBOSE: fixlocalprefix: Could not open /etc/asterisk/localprefixes.conf
Sep 13 17:21:28 VERBOSE: -- AGI Script fixlocalprefix completed, returning 0
Sep 13 17:21:28 VERBOSE: -- Executing SetVar("SIP/217-8b5a", "OUTNUM=2652144") in new stack
Sep 13 17:21:28 VERBOSE: -- Executing Cut("SIP/217-8b5a", "custom=OUT_1|😐1") in new stack
Sep 13 17:21:28 DEBUG: Expression is '0'
Sep 13 17:21:28 VERBOSE: -- Executing GotoIf("SIP/217-8b5a", "0?19") in new stack
Sep 13 17:21:28 DEBUG: Not taking any branch
Sep 13 17:21:28 VERBOSE: -- Executing Dial("SIP/217-8b5a", "ZAP/g0/2652144") in new stack
Sep 13 17:21:28 DEBUG: Dialing '2652144'
Sep 13 17:21:28 DEBUG: Deferring dialing...
Sep 13 17:21:28 VERBOSE: -- Called g0/2652144
Sep 13 17:21:28 DEBUG: Exception on 15, channel 1
Sep 13 17:21:28 DEBUG: Got event Polarity Reversal(17) on channel 1 (index 0)
Sep 13 17:21:28 DEBUG: Dunno what to do with event 17 on channel 1
Sep 13 17:21:28 DEBUG: Exception on 15, channel 1
Sep 13 17:21:28 DEBUG: Got event Polarity Reversal(17) on channel 1 (index 0)
Sep 13 17:21:28 DEBUG: Dunno what to do with event 17 on channel 1
Sep 13 17:21:29 DEBUG: Exception on 15, channel 1
Sep 13 17:21:29 DEBUG: Got event Hook Transition Complete(12) on channel 1 (index 0)
Sep 13 17:21:30 DEBUG: Exception on 15, channel 1
Sep 13 17:21:30 DEBUG: Got event Dial Complete(9) on channel 1 (index 0)
Sep 13 17:21:30 DEBUG: Enabled echo cancellation on channel 1
Sep 13 17:21:30 DEBUG: Engaged echo training on channel 1
Sep 13 17:21:32 DEBUG: Exception on 15, channel 1
Sep 13 17:21:32 DEBUG: Got event Dial Complete(9) on channel 1 (index 0)
Sep 13 17:21:32 DEBUG: Echo cancellation already on
Sep 13 17:21:32 DEBUG: Done dialing, but waiting for progress detection before doing more...
Sep 13 17:21:32 DEBUG: Ooh, format changed from unknown to ulaw
Sep 13 17:22:23 VERBOSE: -- Zap/1-1 answered SIP/217-8b5a
Sep 13 17:22:26 DEBUG: Requesting Hangup because the busy tone was detected on channel Zap/1-1
Sep 13 17:22:26 DEBUG: Got a FRAME_CONTROL (5) frame on channel Zap/1-1
Sep 13 17:22:26 DEBUG: Bridge stops bridging channels SIP/217-8b5a and Zap/1-1
Sep 13 17:22:26 DEBUG: Hangup: channel: 1 index = 0, normal = 15, callwait = -1, thirdcall = -1
Sep 13 17:22:26 DEBUG: disabled echo cancellation on channel 1
Sep 13 17:22:26 DEBUG: Set option TDD MODE, value: OFF(0) on Zap/1-1
Sep 13 17:22:26 DEBUG: Updated conferencing on 1, with 0 conference users
Sep 13 17:22:26 VERBOSE: -- Hungup 'Zap/1-1'