[Asterisk-video] One way video on IAX channel - Audio is OK

[Administrator TOOTAI]

Hi,

no one has an idea on this?

Le 02/06/2010 13:48, Administrator TOOTAI a écrit :
> Hi all,
>
> i face the subject problem between 2 Asterisk boxes, both behind Linux
> firewall. Asterisk version is 1.4.31 on both side. Setup is:
>
> EPs (SIP/IAX) <---> Asterisk 1 <---> FW1 (Linux) <---> Internet through
> IAX2 <---> FW2 (Linux) <---> Asterisk 2 <---> EPs (SIP/IAX)
>
> On each of both Asterisk are also connected EPs from outside of each
> Asterisk network (hardware or softphones). Everything is working fine
> since 3 years, I used only audio.
>
> Now time to add video, I use GrandStream GSX 300x.
>
> I connect 2 GS 300x from outside the Intranet of each Asterisk -phones
> are seating on my desktop-, both connected to Asterisk 1 then both to
> Asterisk 2. All is good, I always have audio and video.
>
> Now I connect one GS on Asterisk 1, the other on Asterisk 2. I have
> audio on both side, but video only on _callee_ party. Why? What's the
> difference? Ah yes, the IAX connection between both Asterisks: I setup
> then a SIP link instead and automagically I get video on both sides!
>
> Does someone have an idea why IAX video is not working for calling party?
>
> Thanks for any hint.
>
-- 
Daniel