[asterisk-users] DAHDI FXO port only recognizes the "S" extension‏

[Songtao Yu]

Hi All,

When I tried to write my dial plan as below for my FXO port, which connects one PSTN line:

[from-pstn]
exten =>s,1,Answer()
exten =>s,n,Wait(1)
exten =>_X.,1,Dial(DAHDI/1)
exten =>_X.,n,Hangup

I got the following message:
Connected to Asterisk 1.6.2.13 currently running on fax (pid = 8154)
Verbosity was 0 and is now 4
    -- Starting simple switch on 'DAHDI/1-1'
    -- Executing [s at from-pstn:1] Answer("DAHDI/1-1", "") in new stack
    -- Executing [s at from-pstn:2] Wait("DAHDI/1-1", "1") in new stack
    -- Auto fallthrough, channel 'DAHDI/1-1' status is 'UNKNOWN'
    -- Hungup 'DAHDI/1-1'

But if I changed the "_X." to "S" extension, I can get the whole thing to work well:
[from-pstn]
exten =>s,1,Answer()
exten =>s,n,Wait(1)
exten =>s,n,Dial(DAHDI/3)
exten =>s,n,Hangup

Would you please let me which casuses this issue?

Thanks,
Songtao Yu 		 	   		  
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