| 如果我乜都唔改. 就咁打入來會出下面既log. 
 
 [2014-03-26 15:39:08] WARNING[16596][C-00000001]: pbx.c:6643 __ast_pbx_run: Channel 'Dongle/dongle0-0100000001' sent to invalid extension but no invalid handler: context,exten,priority=default,+1234567890,1
 -- Executing [h@default:1] Macro("Dongle/dongle0-0100000001", "hangupcall,") in new stack
 -- Executing [s@macro-hangupcall:1] GotoIf("Dongle/dongle0-0100000001", "1?theend") in new stack
 -- Goto (macro-hangupcall,s,3)
 -- Executing [s@macro-hangupcall:3] ExecIf("Dongle/dongle0-0100000001", "0?Set(CDR(recordingfile)=)") in new stack
 -- Executing [s@macro-hangupcall:4] Hangup("Dongle/dongle0-0100000001", "") in new stack
 == Spawn extension (macro-hangupcall, s, 4) exited non-zero on 'Dongle/dongle0-0100000001' in macro 'hangupcall'
 == Spawn extension (default, h, 1) exited non-zero on 'Dongle/dongle0-0100000001'
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