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Hello,
i have encountered RESTARTs during call establishing which occurs under irregular conditions:
The behaviour is like described below:
When an outgoing call is dialed a SETUP isdn message is send to the telco's switch. The teleco's switch answers with an SETUP ACKNOWLEDGE message.
In my special case * sends a RESTART message right after SETUP ACKNOWLEDGE , due to unknown reasons? This causes the channel to be restarted and the call establishing canceled !
Under working conditions the switch sends back CALL PROCEDING, ALERTING, CONNECT message which are replied by a CONNECT ACKNOWLEDGE message. => connection established
Please find my trace below, thanx in advance,
Hanson
~ -- Executing CallingPres("SIP/8-66ac", "1") in new stack ~ -- Executing NoOp("SIP/8-66ac", "0") in new stack ~ -- Executing NoOp("SIP/8-66ac", "") in new stack ~ -- Executing Dial("SIP/8-66ac", "Zap/r1/103330037xxxxxxxxx|45|Tt") in new stack - -- Making new call for cr 32932 | Protocol Discriminator: Q.931 (8) len=41 Call Ref: len= 2 | (reference 164/0xA4) (Originator) Message type: SETUP (5) [04 03 80 | 90 a3] Bearer Capability (len= 5) [ Ext: 1 Q.931 Std: 0 Info | transfer capability: Speech (0) | Ext: 1 Trans mode/rate: 64kbps, circuit-mode (16) | Ext: 1 User information layer 1: A-Law (35) | [18 03 a9 83 88] Channel ID (len= 5) [ Ext: 1 IntID: Implicit, PRI | Spare: 0, Exclusive Dchan: 0 | ChanSel: Reserved Ext: 1 Coding: 0 Number Specified Channel Type: 3 | Ext: 1 Channel: 8 ] [6c 03 11 81 38] Calling Number (len= 5) [ | Ext: 0 TON: International Number (1) NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1) | Presentation: Presentation permitted, user number passed network screening (1) '8' ] | [70 13 91 31 30 33 33 33 30 30 33 37 33 36 39 36 31 33 30 35 38] | Called Number (len=21) [ Ext: 1 TON: International Number (1) | NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1) '103330037xxxxxxxxx' ] ~ -- Called r1/103330037xxxxxxxxx < Protocol Discriminator: Q.931 (8) len=10 < Call Ref: len= 2 (reference 32932/0x80A4) (Terminator) < Message type: SETUP ACKNOWLEDGE (13) < [18 03 a9 83 88] < Channel ID (len= 5) [ Ext: 1 IntID: Implicit, PRI Spare: 0, Exclusive Dchan: 0 < ChanSel: Reserved < Ext: 1 Coding: 0 Number Specified Channel Type: 3 < Ext: 1 Channel: 8 ] - -- Processing IE 24 (cs0, Channel Identification) < Protocol Discriminator: Q.931 (8) len=13 < Call Ref: len= 2 (reference 0/0x0) (Originator) < Message type: RESTART (70) < [18 03 a9 83 88] < Channel ID (len= 5) [ Ext: 1 IntID: Implicit, PRI Spare: 0, Exclusive Dchan: 0 < ChanSel: Reserved < Ext: 1 Coding: 0 Number Specified Channel Type: 3 < Ext: 1 Channel: 8 ] < [79 01 80] < Restart Indentifier (len= 3) [ Ext: 1 Spare: 0 Resetting Indicated Channel (0) ] - -- Processing Q.931 Restart - -- Processing IE 24 (cs0, Channel Identification) - -- Processing IE 121 (cs0, Restart Indicator) | Protocol Discriminator: Q.931 (8) len=13 Call Ref: len= 2 | (reference 32768/0x8000) (Terminator) Message type: RESTART | ACKNOWLEDGE (78) [18 03 a9 83 88] Channel ID (len= 5) [ Ext: 1 | IntID: Implicit, PRI Spare: 0, Exclusive Dchan: 0 | ChanSel: Reserved Ext: 1 Coding: 0 Number Specified Channel Type: 3 | Ext: 1 Channel: 8 ] [79 01 80] Restart Indentifier (len= 3) [ Ext: | 1 Spare: 0 Resetting Indicated Channel (0) ] ~ -- B-channel 0/8 restarted on span 1 Jan 21 10:43:57 WARNING[7358]: app_dial.c:399 wait_for_answer: Unable to forward voice NEW_HANGUP DEBUG: Destroying the call, ourstate Overlap sending, peerstate Overlap Receiving ~ -- Hungup 'Zap/8-1' ~ == No one is available to answer at this time ~ -- Executing NoOp("SIP/8-66ac", "NOANSWER") in new stack ~ -- Executing NoOp("SIP/8-66ac", "0") in new stack ~ -- Registered SIP '880001' at 213.189.154.108 port 36365 expires 60 Jan 21 10:44:07 WARNING[7358]: pbx.c:1933 ast_pbx_run: Timeout, but no rule 't' in context 'default' ~ -- Executing NoOp("SIP/8-66ac", "h HANGUPCAUSE is 0") in new stack
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