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I have never tried any of the linux audio drivers, but I have never heard a good word about any of them. YMMV.

In ${conf_dir}/autoload_configs/portaudio.conf.xml I see:

  <settings>
    <!-- indev, outdev, ringdev:
   partial case sensitive string match on something in the name
   or the device number prefixed with # eg "#1" (or blank for default) -->

    <!-- device to use for input -->
    <param name="indev" value=""/>
    <!-- device to use for output -->
    <param name="outdev" value=""/>

The wiki has some good ideas on how to list the available devices from fs_cli in:
https://freeswitch.org/confluence/display/FREESWITCH/mod_portaudio

One suggestion to aid you in testing would be to use the “playback” dialplan app to generate test tones with tone_stream or play a .wav file.


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Bote Man
Bote Communications



From: FreeSWITCH-users <freeswitch-users-bounces@lists.freeswitch.org> On Behalf Of Steven Schoch
Sent: Sunday, 28 March, 2021 00:18
To: freeswitch-users <freeswitch-users@lists.freeswitch.org>
Subject: [Freeswitch-users] Configuring mod_portaudio for Debian built-in (JACK?) audio


I have an HP Prodesk tower with Debian and FreeSWITCH installed. It has an audio jack that is plugged into a speaker. I configured the system so that the devices in /dev/snd are group "freeswitch". Now I want to transfer a call to the speaker with <action application="bridge" data="portaudio/auto_answer"/>.


However, I am getting errors when I load mod_portaudio that look like this:

2021-03-27 21:15:30.747447 [ERR] mod_portaudio.c:1617 Invalid outstream specified for endpoint 'default'



It looks like a config file issue, but I have no clue where to start because I couldn't find a good example. Any suggestions?



--

Steve