[asterisk-users] PRI - Native ZAP bridge fails - Is this my patch?

[bruce bruce]

Hi Guys,

I am calling out 416-999-1111 on Channel 1 of PRI and then calling
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*

Is this my patch?
https://issues.asterisk.org/view.php?id=7494


Thanks,
Bruce
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