I have two internal analogue extensions off a TDM400P. If the first is
busy, I'd like to ring the second. So:
[incoming]
exten =>s,1,Answer()
exten =>s,n,Dial(${mainline},60)
exten =>s,n,ExecIf($["${DIALSTATUS}" = "BUSY"]?Dial(${secondline},30))
But it doesn't work because * first tries Call Waiting on the main line.
Here I dial out:
-- Starting simple switch on 'DAHDI/1-1'
-- Executing [...@internal:1] Answer("DAHDI/1-1", "") in new stack
-- Executing [...@internal:2] Set("DAHDI/1-1", "CALLERID="house"
<2127873453>") in new stack
-- Executing [...@internal:3] Dial("DAHDI/1-1",
.............................
And now an incoming call:
-- Executing [...@incoming:1] Answer("IAX2/nhi-10929", "") in new stack
-- Executing [...@incoming:2] Dial("IAX2/nhi-10929", "DAHDI/1,60") in
new stack
-- Called 1
-- IAX2/nhi-10929 requested special control 20, passing it to DAHDI/1-2
-- IAX2/nhi-10929 requested special control 20, passing it to DAHDI/1-2
-- IAX2/nhi-10929 requested special control 20, passing it to DAHDI/1-2
-- DAHDI/1-2 is ringing
-- IAX2/nhi-10929 requested special control 20, passing it to DAHDI/1-2
-- IAX2/nhi-10929 requested special control 20, passing it to DAHDI/1-2
-- CPE supports Call Waiting Caller*ID. Sending 'Seandarcy/212 573
1432'
Is there a way to check the status of a dahdi channel _before_ dialing it?
exten =>s,n,ExecIf($["DAHDI/1${DIALSTATUS}" =
"BUSY"]?Dial(${secondline},30)) ??
What's special control 20 ??
Any help appreciated.
sean
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