[Freeswitch-users] Video calls over SIP

Steven Ayre steveayre at gmail.com
Mon Sep 8 14:48:30 MSD 2014

FreeSWITCH does support video, including seeing the current speaker in
mod_conference... however it doesn't do video transcoding (yet). I'm
wondering if that's the problem here. Can we see the debug log of the call
(using default media setting)? The logs relating to SDP and media
negotiation should shed light on what's happening.

Also are the phones and servers all on the same LAN? Are there any NAT
routers or firewalls in the call path that may be causing problems with the
RTP streams?

On 8 September 2014 07:55, Norman Laidla <norman.laidla at telegrupp.ee> wrote:

>  Good day,
>  I've been setting up a video conferencing system in our office. We have
> a Cisco SX-20 set that we intend to use, but so far, there's been little in
> the way of progress. In short, video calls don't work.
>  Here's what I'm working with: a Debian server running the latest stable
> FreeSWITCH build, two laptops with Zoiper and the Cisco SX-20. Audio-only
> calls work without a hitch, problems arise when I try to start the video
> stream. The only way to get any kind of image to reach one endpoint from
> another is to set FS to bypass media and make a video call between my
> laptop and the SX-20, in which case the outgoing feed from the laptop
> reaches the SX-20 as a jumbled mess of colors and the occasional still
> frame. Setting FS to proxy media allows no video to reach the SX-20 and
> causes a loopback in both laptops. The default setting doesn't do video at
> all.
>  Funny thing is, if the call is originated from the SX-20, its control
> panel shows an outgoing video stream, but nothing ever reaches the other
> endpoint. I'm beginning to think that doing a video conferencing setup with
> FreeSWITCH is a fool's errand. If anyone has done something of the sort
> before, I would welcome your advice.
>  Best regards,
> Norman Laidla
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