Rich Adamson wrote:
Is it possible after dialling a trunk prefix to wait for dialtone (or wait 2 seconds) before
continuing to dial the outgoing number ?
I need to "hunt" for one of several lines, and when one successfully provides dialtone, to continue dialling..
A simple NO will do, but if there's a workaround, I have not found it.
I don't believe there is any dialtone detection support in * today.
You can add a "w" in the dial statement for analog zap ports to insert a delay,
but that delay does not involve listening for anything.
Each "w" adds about 1/4 second or so, something like this:
exten => _9XXXXXXX,1,Dial(Zap/4/ww${EXTEN})
"w" doesn't work either when pulse dial=yes
Someone smarter than I about the source maintains that some sort of
tone detection is present , but not called.
I would assume from that , that either it WAS at some point and there
was a problem, or they never turned it on and tested it.
One problem would be is the whole world doesn't use precise 350/440
dialtone.
It is curious that really cheap modems have been able to do this now for
years.
John Novack
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