under*CLI> iax2 debug
IAX2 Debugging Enabled
under*CLI> set verbose 70
Verbosity was 60 and is now 70
under*CLI> set debug 70
Core debug was 50 and is now 70
    -- SEP00D0BA03AB66: Taken Offhook
    -- SEP00D0BA03AB66: Using line 1151
    -- SEP00D0BA03AB66: New call on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000001 (1) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000002 (2) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000006 (6) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000009 (9) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000006 (6) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000002 (2) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000004 (4) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000007 (7) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000001 (1) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000002 (2) on line 1151
    -- SEP00D0BA03AB66: Cisco Digit: 00000003 (3) on line 1151
    -- Executing SetCallerID("SCCP/1151-00000004", "8007827230") in new stack
    -- Executing Dial("SCCP/1151-00000004", "IAX2/8102@voipjet/12696247123") in new stack
Mar 10 12:18:40 NOTICE[6379]: app_dial.c:1056 dial_exec_full: Unable to create channel of type 'IAX2' (cause 3 - No route to destination)
  == Everyone is busy/congested at this time (1:0/0/1)
  == Auto fallthrough, channel 'SCCP/1151-00000004' status is 'CHANUNAVAIL'
    -- SEP00D0BA03AB66 is Onhook
    -- SEP00D0BA03AB66: Ending call 4 on line 1151
    -- SCCP: Asterisk request to hangup Outbound channel SCCP/1151-00000004
under*CLI>