July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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Sound files locations, sampling rate and fallbacks
In FreeSWITCH configuration (for example in dialplan, IVRs, phrases, scripts, whatever), sound files are located by a full absolute path (that it, beginning with a slash "/"), or by a relative path. When the path is relative, the file resolves to $${sound_prefix}/relative_path, where relative_path is interpolated with the sampling rate (frequency in Hertz) of the sound file (so FreeSWITCH do not have to resample).
You can find the value of the $${sound_prefix} global variable in /usr/local/freeswitch/conf/vars.xml file, or by typing the following into the FreeSWITCH console:
eval $${sound_prefix}
For example, you call 5000 in demo configuration. You are answered by an IVR, defined in /usr/local/freeswitch/conf/ivr_menus/demo_ivr.xml. ...
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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.