Hi Guys,
I am calling out to 416-999-1111 on Channel 1 of PRI and sending the call to a
context that then dials 416-999-2222 on Channel 2 of PRI. When the two channels
are going to be ZAP native bridged, both channels hangup and CLI show PRI cause
(16).
Asterisk Verbose (Channel 1 already connected to party):
-- Requested transfer capability: 0x00 - SPEECH
-- Called g0/4169992222
-- Zap/2-1 is proceeding passing it to Zap/1-1
-- Zap/2-1 is ringing
-- Zap/2-1 answered Zap/1-1
-- Native bridging Zap/1-1 and Zap/2-1
-- Channel 0/1, span 1 got hangup request, cause 16
-- Hungup 'Zap/2-1'
== Spawn extension (zap-bridge, s, 8) exited non-zero on 'Zap/1-1'
-- Hungup 'Zap/1-1'
Here is PRI debug, starting just before Channel two is connected until both
channels are disconnected (maybe FACILITY 98 is of interest?!):
< Message type: CONNECT (7)
q931.c:3626 q931_receive: call 32865 on channel 2 enters state 10 (Active)
> Protocol Discriminator: Q.931 (8) len=5
> Call Ref: len= 2 (reference 97/0x61) (Originator)
> Message type: CONNECT ACKNOWLEDGE (15)
-- Zap/2-1 answered Zap/1-1
-- Native bridging Zap/1-1 and Zap/2-1
> Protocol Discriminator: Q.931 (8) len=27
> Call Ref: len= 2 (reference 96/0x60) (Originator)
> Message type: FACILITY (98)
> [1c 14 91 a1 11 02 01 06 06 07 2a 86 48 ce 15 00 08 30 03 02 01 61]
> Facility (len=22, codeset=0) [ 0x91, 0xA1, 0x11, 0x02, 0x01, 0x06, 0x06,
> 0x07, '*', 0x86, 'H', 0xCE, 0x15, 0x00, 0x08, '0', 0x03, 0x02, 0x01, 'a' ]
PROTOCOL 11
A1 0011 (CONTEXT SPECIFIC [1])
02 0001 06 (INTEGER: 6)
06 0007 2A 86 48 CE 15 00 08 (OBJECTIDENTIFIER: 2a 86 48 ce 15 00 08)
30 0003 (SEQUENCE)
02 0001 61 (INTEGER: 97)
< Protocol Discriminator: Q.931 (8) len=9
< Call Ref: len= 2 (reference 96/0x60) (Terminator)
< Message type: DISCONNECT (69)
< [08 02 80 90]
< Cause (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) Spare: 0
Location: User (0)
< Ext: 1 Cause: Normal Clearing (16), class = Normal Event
(1) ]
-- Processing IE 8 (cs0, Cause)
q931.c:3826 q931_receive: call 32864 on channel 1 enters state 12 (Disconnect
Indication)
-- Channel 0/1, span 1 got hangup request, cause 16
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Active, peerstate Connect
Request
q931.c:3015 q931_disconnect: call 32865 on channel 2 enters state 11
(Disconnect Request)
> Protocol Discriminator: Q.931 (8) len=9
> Call Ref: len= 2 (reference 97/0x61) (Originator)
> Message type: DISCONNECT (69)
> [08 02 81 90]
> Cause (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) Spare: 0
> Location: Private network serving the local user (1)
> Ext: 1 Cause: Normal Clearing (16), class = Normal Event
> (1) ]
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Disconnect Indication,
peerstate Disconnect Request
q931.c:2967 q931_release: call 32864 on channel 1 enters state 19 (Release
Request)
> Protocol Discriminator: Q.931 (8) len=9
> Call Ref: len= 2 (reference 96/0x60) (Originator)
> Message type: RELEASE (77)
> [08 02 81 90]
> Cause (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) Spare: 0
> Location: Private network serving the local user (1)
> Ext: 1 Cause: Normal Clearing (16), class = Normal Event
> (1) ]
-- Hungup 'Zap/1-1'
< Protocol Discriminator: Q.931 (8) len=5
< Call Ref: len= 2 (reference 96/0x60) (Terminator)
< Message type: RELEASE COMPLETE (90)
q931.c:3766 q931_receive: call 32864 on channel 1 enters state 0 (Null)
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Null
NEW_HANGUP DEBUG: Destroying the call, ourstate Null, peerstate Null
< Protocol Discriminator: Q.931 (8) len=5
< Call Ref: len= 2 (reference 97/0x61) (Terminator)
< Message type: RELEASE (77)
q931.c:3801 q931_receive: call 32865 on channel 2 enters state 0 (Null)
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Release Request
> Protocol Discriminator: Q.931 (8) len=9
> Call Ref: len= 2 (reference 97/0x61) (Originator)
> Message type: RELEASE COMPLETE (90)
> [08 02 81 90]
> Cause (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) Spare: 0
> Location: Private network serving the local user (1)
> Ext: 1 Cause: Normal Clearing (16), class = Normal Event
> (1) ]
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Null
NEW_HANGUP DEBUG: Destroying the call, ourstate Null, peerstate Null
System Info:
Bell Canada PRI
Asterisk 1.4.21.2
Lib PRI 1.4.10
Dialplan is as simple as this after first channel has already picked up:
[bridge-calls]
exten => s,1,Playback(beep)
exten => s,n,Dial(ZAP/g0/${destNumb})
Thanks,
Bruce
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