[Freeswitch-users] How do I use eavesdrop?
m.sobkow at marketelsystems.com
Thu Mar 18 13:31:00 PDT 2010
I know eavesdrop is an application, not an API, so you have to use it
I have an operator dialing in on extension 5000 being bridged to a
client, and I'm getting those lovely little echoes that confirm the call
is bridged (both operator and client softphones are sharing my one
headset and mic.)
In the dialplan, I parse out the extension when someone dials in to
665000 (last 4 digits are the extension to monitor), look up the
appropriate operator UUID in my mnesia/Erlang tables, receive the "call"
callback from Freeswitch, and build a proplists replacement with the
execute-app-name set to "eavesdrop" and execute-app-arg set to the
operator UUID. I issue a sendmsg() command to Freeswitch, and it
However, what happens to the extension that tried to eavesdrop is it
gets two events: CHANNEL_PARK and SEND_MESSAGE. The person making the
eavesdrop call can't actually hear anything.
I've attached the Erlang callback module that the dialplan executes.
The dialplan fragment is as follows:
<action application=\"set\" data=\"eavesdrop_extension=$1\" />
<action application=\"erlang\" data=\"pbx_eavesdrop
pursuit at testsrv\" />
Unfortunately I can't think of any way to look up the UUID other than
using the mnesia tables from the application. When I tried the sample
dialplans from Freeswitch, the eavesdrop module itself _did_ work. I'm
just having trouble cobbling together the "glue" for Erlang.
P.S. This is the last Freeswitch feature I have to code for this
release, other than niggling cleanups like adding a few more voice
prompts, which is easy enough as I've already sample code on how to do
it. With a little luck we'll make our April 1st ready-for-testing
deadline! We wouldn't have made it without Andrew's hints, tips, and
tricks for using Erlang with Freeswitch. Thanks a lot! :D
MarkeTel Multi-Line Dialing Systems LTD.
428 Victoria Ave
Regina, SK S4N-0P6
Email: m.sobkow at marketelsystems.com
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
More information about the FreeSWITCH-users