< Protocol Discriminator: Q.931 (8)  len=19
< Call Ref: len= 2 (reference 1/0x1) (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)
<                                User information layer 1: A-Law (35)
< [18 03 a1 83 9f]
< Channel ID (len= 5) [ Ext: 1  IntID: Implicit  PRI  Spare: 0  Preferred  Dchan: 0
<                        ChanSel: As indicated in following octets
<                       Ext: 1  Coding: 0  Number Specified  Channel Type: 3
<                       Ext: 1  Channel: 31 ]
< [6c 02 21 81]
< Calling Number (len= 4) [ Ext: 0  TON: National Number (2)  NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1)
<                           Presentation: Presentation permitted, user number passed network screening (1)  '' ]
-- Making new call for cr 1
-- Processing Q.931 Call Setup
-- Processing IE 4 (cs0, Bearer Capability)
-- Processing IE 24 (cs0, Channel Identification)
-- Processing IE 108 (cs0, Calling Party Number)
q931.c:3509 q931_receive: call 1 on channel 31 enters state 6 (Call Present)
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Call Present, peerstate Call Initiated
q931.c:3104 q931_release_complete: call 1 on channel 31 enters state 0 (Null)
> Protocol Discriminator: Q.931 (8)  len=9
> Call Ref: len= 2 (reference 1/0x1) (Terminator)
> Message type: RELEASE COMPLETE (90)
> [08 02 81 81]
> Cause (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0)  Spare: 0  Location: Private network serving the local user (1)
>                  Ext: 1  Cause: Unallocated (unassigned) number (1), class = Normal Event (0) ]
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Null
NEW_HANGUP DEBUG: Destroying the call, ourstate Null, peerstate Null