-- Executing Dial("SIP/1990035-b386", "Zap/g1/+4798013356") in new stack
-- Making new call for cr 32779
    -- Requested transfer capability: 0x00 - SPEECH
> Protocol Discriminator: Q.931 (8)  len=41
> Call Ref: len= 2 (reference 11/0xB) (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 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 ]
> [6c 0a 21 80 32 31 39 37 30 38 37 36]
> Calling Number (len=12) [ Ext: 0  TON: National Number (2)  NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1)
>                           Presentation: Presentation permitted, user number not screened (0)  '21970876' ]
> [70 0c a1 2b 34 37 39 38 30 31 33 33 35 36]
> Called Number (len=14) [ Ext: 1  TON: National Number (2)  NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1)  '+4798013356' ]
q931.c:2879 q931_setup: call 32779 on channel 1 enters state 1 (Call Initiated)
    -- Called g1/+4798013356
< Protocol Discriminator: Q.931 (8)  len=10
< Call Ref: len= 2 (reference 11/0xB) (Terminator)
< Message type: RELEASE COMPLETE (90)
< [08 03 82 e4 70]
< Cause (len= 5) [ Ext: 1  Coding: CCITT (ITU) standard (0)  Spare: 0  Location: Public network serving the local user (2)
<                  Ext: 1  Cause: Invalid information element contents (100), class = Protocol Error (e.g. unknown message) (6) ]
<              Cause data 1: 70 (112)
-- Processing IE 8 (cs0, Cause)
q931.c:3489 q931_receive: call 32779 on channel 1 enters state 0 (Null)
    -- Channel 0/1, span 1 got hangup
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Null
NEW_HANGUP DEBUG: Destroying the call, ourstate Null, peerstate Null
    -- Hungup 'Zap/1-1'