September 2005
Intermediate to advanced
408 pages
16h 20m
English
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Name
SendDTMF() — Sends arbitrary DTMF digits to the channel
Synopsis
SendDTMF(digits[,timeout_ms])
Sends the specified DTMF digits on a channel. Valid DTMF digits
include 0-9, *, #, and
A-D. You may also use the letter
w as a digit, which indicates a
500-millisecond wait. The timeout_ms
argument is the amount of time between digits, in milliseconds. If not
specified, timeout_ms defaults to 250
milliseconds.
Returns 0 on success or
-1 on a hangup.
exten => 123,1,SendDTMF(3212333w222w366w3212333322321,250)See Also
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.