Someone

IAX2 Debugging Enabled
    -- Executing Dial("SIP/12-00b2", "IAX2/guest@sip.outcast.ws/1000") in new stack
    -- Called guest@sip.outcast.ws/1000
Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX     Subclass: NEW    
   Timestamp: 00012ms  SCall: 00003  DCall: 00000 [66.249.30.19:4569]
   VERSION         : 2
   CALLED NUMBER   : 1000
   CODEC_PREFS     : (ulaw|gsm|ilbc|g726)
   CALLING NUMBER  : 12
   CALLING PRESNTN : 0
   CALLING TYPEOFN : 0
   CALLING TRANSIT : 0
   CALLING NAME    : James and Naomi Video
   LANGUAGE        : en
   USERNAME        : guest
   FORMAT          : 4
   CAPABILITY      : 64534
   ADSICPE         : 2
   DATE TIME       : 2006-11-22  08:59:52

Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 001 Type: IAX     Subclass: REJECT 
   Timestamp: 00006ms  SCall: 00003  DCall: 00003 [66.249.30.19:4569]
   CAUSE           : No authority found
   CAUSE CODE      : 50

Nov 22 08:59:53 WARNING[9504]: chan_iax2.c:6985 socket_read: Call rejected by 66.249.30.19: No authority found
Tx-Frame Retry[-01] -- OSeqno: 001 ISeqno: 001 Type: IAX     Subclass: ACK    
   Timestamp: 00006ms  SCall: 00003  DCall: 00003 [66.249.30.19:4569]
    -- Hungup 'IAX2/66.249.30.19:4569-3'
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Executing Hangup("SIP/12-00b2", "") in new stack
  == Spawn extension (inside, h, 1) exited non-zero on 'SIP/12-00b2'