-- Making new call for cr 32775
    -- Requested transfer capability: 0x00 - SPEECH
> Protocol Discriminator: Q.931 (8)  len=36
> Call Ref: len= 2 (reference 7/0x7) (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 8b]
> 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: 11 ]
> [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 0c 21 80 39 30 34 38 36 31 36 31 35 30]
> Calling Number (len=14) [ Ext: 0  TON: National Number (2)  NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1)
>                           Presentation: Presentation permitted, user number not screened (0) '9048616150' ]
> [70 01 a1]
> Called Number (len= 3) [ Ext: 1  TON: National Number (2)  NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1) '' ]
    -- Called 11/www2564286000
< Protocol Discriminator: Q.931 (8)  len=9
< Call Ref: len= 2 (reference 7/0x7) (Terminator)
< Message type: RELEASE COMPLETE (90)
< [08 02 80 da]>
< Cause (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0: 0   Location: User (0)
<                  Ext: 1  Cause: Unknown (90), class = Invalid message (5) ]
-- Processing IE 8 (cs0, Cause)
    -- Channel 0/11, 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/11-1'
  == Everyone is busy/congested at this time (1:0/0/1)
  == Auto fallthrough, channel 'Zap/3-1' status is 'CHANUNAVAIL'
< Protocol Discriminator: Q.931 (8)  len=9
< Call Ref: len= 2 (reference 6/0x6) (Terminator)
< Message type: DISCONNECT (69)
< [08 02 80 90]
< Cause (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0: 0   Location: User (0)
<                  Ext: 1  Cause: Normal Clearing (16), class = Normal Event (1) ]
-- Processing IE 8 (cs0, Cause)
    -- Channel 0/3, span 1 got hangup request