Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX     Subclass: NEW
   Timestamp: 00004ms  SCall: 00002  DCall: 00000 [10.0.5.6:4569]
   VERSION         : 2
   CALLED NUMBER   : 9999
   CODEC_PREFS     : (gsm)
   CALLING NUMBER  :
   CALLING PRESNTN : 0
   CALLING TYPEOFN : 0
   CALLING TRANSIT : 0
   CALLING NAME    :
   LANGUAGE        : en
   USERNAME        : user
   FORMAT          : 64
   CAPABILITY      : 4194303
   ADSICPE         : 0
   DATE TIME       : 2007-05-20  09:26:40

Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 001 Type: IAX     Subclass: AUTHREQ
   Timestamp: 00002ms  SCall: 00007  DCall: 00002 [10.0.5.6:4569]
   AUTHMETHODS     : 3
   CHALLENGE       : 569659739
   USERNAME        : user

Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 001 Type: IAX     Subclass: AUTHREP
   Timestamp: 00010ms  SCall: 00002  DCall: 00007 [10.0.5.6:4569]
   MD5 RESULT      : ffd9996d41d79c912903be14b0481261

May 21 09:53:06 NOTICE[7833]: chan_iax2.c:7342 socket_read: Host 10.0.5.6 failed to authenticate as user
Tx-Frame Retry[000] -- OSeqno: 001 ISeqno: 002 Type: IAX     Subclass: REJECT
   Timestamp: 00006ms  SCall: 00007  DCall: 00002 [10.0.5.6:4569]
   CAUSE           : No authority found
   CAUSE CODE      : 50

Rx-Frame Retry[ No] -- OSeqno: 002 ISeqno: 002 Type: IAX     Subclass: ACK
   Timestamp: 00006ms  SCall: 00002  DCall: 00007 [10.0.5.6:4569]
slk-gw-01*CLI>
[root@slk-gw-01 ~]#