[asterisk-users] Video through IAX2 trunks

[Markos Vakondios]

I never got video to work over IAX2 trunks, specifically with the GXV- 32xx
grandstreams. I've tested without success with asterisk 1.8 & 11.

I only managed video over SIP trunks and only at VGA resolution max over
DSL links (~80-100ms latency), with barly acceptable frame rate.

On 13 June 2015 at 20:08, Alan <lameventanas at gmail.com> wrote:

> I have a couple of Asterisk 13.4 servers with an IAX2 trunk between them:
>
> [phone1] <--pjsip--> [server1] <--iax2 trunk--> [server2] <--pjsip-->
> [phone2]
>
> With this setup, audio calls work fine, but video doesn't work:
> I get a black window and if I remember correctly, I was getting white
> noise in one direction (not sure if the noise thing is asterisk's fault or
> the phone's).
> I do see the video packets going through when I enable debugging on iax2,
> so this is strange.
>
> I tested with linphone, pjsua, and a Grandstream gxv3240.
>
> Video calls that don't go through the iax2 trunk work fine (eg: both
> phones in the same server).
>
> If I change the trunk to use pjsip, video works fine, but then I have
> other problems that am still working on.
>
> I'd rather keep using iax2 for my trunks for a while, so my question is:
> Is anybody using video in this kind of setup?
>
> Thanks.
>
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