asterisk*CLI> !cp call /var/spool/asterisk/outgoing
    -- Attempting call on IAX2/teliax/2066699900 for start@outcall:1 (Retry 1)
Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX     Subclass: NEW    
   Timestamp: 00009ms  SCall: 00003  DCall: 00000 [207.174.202.3:4569]
   VERSION         : 2
   CALLED NUMBER   : 2066699900
   CODEC_PREFS     : (ulaw)
   CALLING PRESNTN : 67
   CALLING TYPEOFN : 0
   CALLING TRANSIT : 0
   LANGUAGE        : en
   USERNAME        : wowrack
   FORMAT          : 4
   CAPABILITY      : 63492
   ADSICPE         : 0
   DATE TIME       : 2006-06-06  18:52:00

Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 001 Type: IAX     Subclass: AUTHREQ
   Timestamp: 00003ms  SCall: 00168  DCall: 00003 [207.174.202.3:4569]
   AUTHMETHODS     : 2
   CHALLENGE       : 147234473
   USERNAME        : wowrack

Tx-Frame Retry[000] -- OSeqno: 001 ISeqno: 001 Type: IAX     Subclass: AUTHREP
   Timestamp: 00072ms  SCall: 00003  DCall: 00168 [207.174.202.3:4569]
   MD5 RESULT      : 6c8ec5045855cf8b6bbd30a85b4f9d52

Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 002 Type: IAX     Subclass: ACCEPT 
   Timestamp: 00068ms  SCall: 00168  DCall: 00003 [207.174.202.3:4569]
   FORMAT          : 4

    -- Call accepted by 207.174.202.3 (format ulaw)
    -- Format for call is ulaw
Tx-Frame Retry[-01] -- OSeqno: 002 ISeqno: 002 Type: IAX     Subclass: ACK    
   Timestamp: 00068ms  SCall: 00003  DCall: 00168 [207.174.202.3:4569]
Rx-Frame Retry[ No] -- OSeqno: 002 ISeqno: 002 Type: CONTROL Subclass: (14?)
   Timestamp: 00383ms  SCall: 00168  DCall: 00003 [207.174.202.3:4569]
Tx-Frame Retry[-01] -- OSeqno: 002 ISeqno: 003 Type: IAX     Subclass: ACK    
   Timestamp: 00383ms  SCall: 00003  DCall: 00168 [207.174.202.3:4569]
Rx-Frame Retry[ No] -- OSeqno: 003 ISeqno: 002 Type: VOICE   Subclass: 4
   Timestamp: 00380ms  SCall: 00168  DCall: 00003 [207.174.202.3:4569]
Tx-Frame Retry[-01] -- OSeqno: 002 ISeqno: 004 Type: IAX     Subclass: ACK    
   Timestamp: 00380ms  SCall: 00003  DCall: 00168 [207.174.202.3:4569]
Rx-Frame Retry[ No] -- OSeqno: 004 ISeqno: 002 Type: CONTROL Subclass: RINGING
   Timestamp: 01863ms  SCall: 00168  DCall: 00003 [207.174.202.3:4569]
Tx-Frame Retry[-01] -- OSeqno: 002 ISeqno: 005 Type: IAX     Subclass: ACK    
   Timestamp: 01863ms  SCall: 00003  DCall: 00168 [207.174.202.3:4569]
    -- Hungup 'IAX2/teliax-3'
Jun  6 18:52:02 NOTICE[1015]: pbx_spool.c:269 attempt_thread: Call failed to go through, reason 3
Tx-Frame Retry[000] -- OSeqno: 002 ISeqno: 005 Type: IAX     Subclass: HANGUP 
   Timestamp: 02058ms  SCall: 00003  DCall: 00168 [207.174.202.3:4569]
   CAUSE CODE      : 0

Rx-Frame Retry[ No] -- OSeqno: 005 ISeqno: 003 Type: IAX     Subclass: ACK    
   Timestamp: 02058ms  SCall: 00168  DCall: 00003 [207.174.202.3:4569]
asterisk*CLI>