Comments on Draft F-series documents

sunmingjun sunmjun at HOTMAIL.COM
Mon Jun 13 03:15:54 EDT 2005


Dear Mr. Okubo and all,

I have no problem to the editioral of F.MMCIP, following orange texts are
the reply to the questions.

Comments from Mr.Okubo are appreciated, and other comments and suggestions
are solicited.

Best£¬    

Mingjun Sun
sunmingjun at catr.com.cn
China Academy of Telecommunication Technology
+86-10-62302430-2413
2005-06-13 


----- Original Message ----- 
From: "OKUBO Sakae" <okubo at MXZ.MESH.NE.JP>
To: <itu-sg16 at external.cisco.com>
Sent: Thursday, June 09, 2005 4:21 PM
Subject: Comments on Draft F-series documents



> 
> F.MMCIP
> ^^^^^^^
> 
> 1/ Section 2.6
> 
> As we have "multimedia conference service" in Section 2.9, I would 
> suggest the following:
> 
> A type of multimedia conference service that utilizes networks for 
> control and media transfer.
> 
> 2/ Section 2.7, last sentence
> 
> As we may also use ALM (Application Layer Multicast) in the future, 
> use of network transport multicast may not be an only solution. "may" 
> instead of "should" would be more appropriate.
> 
> 3/ Section 5, 2nd paragraph
> 
> "If there are two or more terminals, ..." I wonder if the number be 
> "three or more" instead of "two ore more". The multimedia information 
> control and exchange is needed also for the case where only two 
> terminals are involved?
> 
The multimedia information control and exchange isn¡¯t needed in fact, but
in some cases, the multimedia information control and exchange still
works. For example, three terminals in a five-endpoints conference leaves,
but the conference still continues, the multimedia information control and
exchange still is needed though only the two terminals in this conference.

> 4/ Section 5, 3 bullets
> 
> It looks multiple viewpoints are involved to get these three types of 
> terminal: hardware/software, full/part time use, movable/fixed. 
> Please sort them out.
> 
following is the propositional modification text :

There are two types of terminal:

¨C       Hard terminal, which includes two sub-type of terminals:
dedicated studios equipped for multimedia conferences, named special
conference terminal; equipment only part-time used for teleconferencing,
can be moved from here to there, named Portable Terminal 

¨C       Soft terminal, running on Computer


> 5/ Section 6.1, 2nd sentence
> 
> We need clarification here.
> 
> Since the "Voice/Video/Data Switch & Process function" is in the 
> IP-based Network area, the multimedia path between the switch&process 
> function and the right most User is understood to be IP. Does this 
> mean that PSTN Access terminal is using IP over PSTN? It looks more 
> realistic to me that the switch&process function has PSTN interface 
> and the voice is ordinary analog one.
> 
since the function of "Voice/Video/Data Switch & Process function" is
mainly about media processing, so my suggestion to this problem is another
¡°gateway function¡± is added for the PSTN and IP transition, also for the
mobile.


> 6/ Section 6.3
> 
> I would suggest to unify the function listing style as verb first.
> 
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