[Asterisk-video] H320

[Olle E Johansson]

9 jun 2006 kl. 10.43 skrev John Martin:

> Good point. I was wondering this on the way into work this morning.  
> I'm
> not sure how a lump of code that provided H.320 would be able to be  
> used
> in both PRI and BRI channels, or if it's an app, func, channel or res?
>
> It brings up an interesting point about things like SIP, IAX and H.323
> they all use IP as the transport but have their own channel drivers
> rather than a common IP channel driver and an app/func/res... just an
> observation. So things that are IP based can have their own channel
> drivers but ISDN based things can't :-)

Well, I was just a bit curious. It's not obviously a new channel seen
with eyes from someone who does not know the details. Is the signalling
very much different on an ISDN video call than an audio call?

Unfortunately the API for MISDN and ZAP channels are very different.

For IAX2, SIP and H.323 the signalling is *very* different. Do remember
though that SIP, H.323 and MGCP all share the RTP driver :-)

/O