Subject: [Megaco] 答复: Re: [Megaco] question about context

From: [email-masked]
Date: Mon, 27 May 2002 08:51:14 +0800

hi,giri,rosen and all
i am a little clear now.
if i have separated contexts for audio and video. so do i have too
termination IDs for a Terminal.
one for audio and one for video.i guess a termination can only be in a
context at a given time.so
i have to treat a terminal as too termination.

thanks in advance!

wu

                    Giri Rajasekhar                                                               
                    Saladi                   收件人：     [email-masked]                  
                    <[email-masked]        抄送：  [email-masked]                              
                    ltech.com>               主题：  Re: [Megaco] question about context          
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                    megaco-admin@ietf                                                             
                    .org                                                                          

                    2002-05-24 21:08                                                              
                    请答复 给 girirs                                                              

Hi Wu,
        What you want can be achieved thru stream
modes? Topology decides how the media in a stream should
flow between the terminations inside the context. MEGACO
gives the freedom of connecting the termination streams
independently.

We can implement multicasting for video stream by specifying topology
descriptor
as
    (T1, T2, oneway)
    (T1, T3, oneway)
     ..
     ..
     ..
    (T1, Tn, oneway)
and since defalut is both-way, nothing to specify for
audio stream.
Hope this is clear.
Regds.,
Giri

[email-masked] wrote:
>
> hi,folks
>    i think h248 context is too simple.in a multimedia multipoint call,the
> audio and video can have different context type.for example,audio is
> mixed,but video is multicasting.
>    so i think per media type need a context instead of per termination.
>    please give some comments
>
> thank in advance!
>
> wu.y.m
>
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--

Giri Rajasekhar Saladi
HCL Technologies Ltd.,
51, Jawaharlal Nehru Road
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Chennai - 600 097.

Phone Off : +91 44 233 4174 or +91 44 233 4181 Extn. 233
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