[Asterisk-Dev] help needed implementing H324M (UMTS Video)
Klaus Darilion
klaus.mailinglists at pernau.at
Sun Feb 6 14:56:19 MST 2005
Hi Nicolas!
Thanks for your answer - it's good to see that somebody is interested in
this project.
I'm yet not sure were to put the gateway - the strange thing is that
H.324 are 2 calls in one. There is at first the call to setup a data
channel - e.g. on ISDN a B channel will be setup using Q931 signaling in
the D channel. After the B channel is established, H.245 will be used
setup the video call).
I'm not sure if the H.223 framing should be done in zaptel. If the call
is on a i4l or capi channel it should work too. Thus, the framing should
be on top of the PSTN channels.
Currently I'm working on other projects and put this project on hold,
but if you going to work on it, I can help you with H.324M details
(specifications) and my personal experiences.
regards,
klaus
PS: Please see also my other email in this thread.
Nicolas FOURNIL wrote:
> Hello
>
> I'm working for a company who makes SIP Video Phones (Hard phone).
>
> Your project is really interesting, if I can contribute, I will !
>
> I'm just beginning working with H324m, so I cannot be really helpfull for
> this moment.
>
> I work with asterisk for a long time, and I think that the best way is to
> let the zaptel channel alone ;-) -but tell them about the H324m frame
> detection error- . Perhaps it will be interesting to works as the H323
> channel (not the build in but the stand-alone).
>
> best regards,
>
> Nicolas.
> nfournil at call.fr
> http://www.call.fr
>
>
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