August 2007
Intermediate to advanced
608 pages
20h 33m
English
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Name
Ringing() — Indicates ringing tone
Synopsis
Ringing()
Requests that the channel indicate ringing tone to the user. It is up to the channel driver to specify exactly how ringing is indicated.
Note that this application does not actually provide audio
ringing to the caller. Use the Playtones() application to do this.
; indicate that the phone is ringing, even though it isn't
exten => 123,1,Ringing()
exten => 123,2,Wait(5)
exten => 123,3,Playback(tt-somethingwrong)See Also
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.