henry*CLI> pri debug span 1
Enabled debugging on span 1
henry*CLI> !cp call /var/spool/asterisk/outgoing
    -- Attempting call on Zap/g2/2066699900 for start@outcall:1 (Retry 1)
-- Making new call for cr 32798
    -- Requested transfer capability: 0x00 - SPEECH
> Protocol Discriminator: Q.931 (8)  len=36
> Call Ref: len= 2 (reference 30/0x1E) (Originator)
> Message type: SETUP (5)
> [04 03 80 90 a2]
> 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: u-Law (34)
> [18 03 a9 83 81]
> 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: 1 ]
> [1e 02 80 83]
> Progress Indicator (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0: 0   Location: User (0)
>                               Ext: 1  Progress Description: Calling equipment is non-ISDN. (3) ]
> [6c 02 00 c3]
> Calling Number (len= 4) [ Ext: 0  TON: Unknown Number Type (0)  NPI: Unknown Number Plan (0)
>                           Presentation: Number not available (67) '' ]
> [70 0b a1 32 30 36 36 36 39 39 39 30 30]
> Called Number (len=13) [ Ext: 1  TON: National Number (2)  NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1) '2066699900' ]
< Protocol Discriminator: Q.931 (8)  len=10
< Call Ref: len= 2 (reference 30/0x1E) (Terminator)
< Message type: CALL PROCEEDING (2)
< [18 03 a9 83 81]
< 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: 1 ]
-- Processing IE 24 (cs0, Channel Identification)
Jun  6 20:05:38 NOTICE[24589]: channel.c:2424 __ast_request_and_dial: Don't know what to do with control frame 15
< Protocol Discriminator: Q.931 (8)  len=9
< Call Ref: len= 2 (reference 30/0x1E) (Terminator)
< Message type: ALERTING (1)
< [1e 02 80 88]
< Progress Indicator (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0: 0   Location: User (0)
<                               Ext: 1  Progress Description: Inband information or appropriate pattern now available. (8) ]
-- Processing IE 30 (cs0, Progress Indicator)
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Call Delivered, peerstate Call Received
> Protocol Discriminator: Q.931 (8)  len=9
> Call Ref: len= 2 (reference 30/0x1E) (Originator)
> Message type: DISCONNECT (69)
> [08 02 81 90]
> Cause (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0: 0   Location: Private network serving the local user (1)
>                  Ext: 1  Cause: Unknown (16), class = Normal Event (1) ]
    -- Hungup 'Zap/1-1'
Jun  6 20:05:40 NOTICE[24589]: pbx_spool.c:269 attempt_thread: Call failed to go through, reason 3
< Protocol Discriminator: Q.931 (8)  len=5
< Call Ref: len= 2 (reference 30/0x1E) (Terminator)
< Message type: RELEASE (77)
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Release Request
> Protocol Discriminator: Q.931 (8)  len=9
> Call Ref: len= 2 (reference 30/0x1E) (Originator)
> Message type: RELEASE COMPLETE (90)
> [08 02 81 90]
> Cause (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0: 0   Location: Private network serving the local user (1)
>                  Ext: 1  Cause: Unknown (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
henry*CLI> pri no debug span 1