July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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eavesdrop (call barge)
This dialplan application allows for listening and interacting with other channels/calls.
It's a very flexible application; search on http://freeswitch.org/confluence for all the details and features.
The format of invocation is:
eavesdrop UUID|all
A couple of example dialplan actions would be:
<action application="eavesdrop" data="${db(select/spymap/$1)}"/>
<action application="eavesdrop" data"all"/>
The first one, adapted from demo dialplan, assumes that elsewhere we inserted into a persistent table (see "db and hash" before in this chapter) the UUID of the ongoing call originated by the user we get in the "$1" regular expression register. We then get the UUID value from the db table, and execute eavesdrop on ...
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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.