Shaping the direction of H.325

OKUBO Sakae okubo at MXZ.MESH.NE.JP
Wed Feb 28 09:49:27 EST 2007

Dear SG16 Experts,

This is a follow-up to Paul's posting. All the "H.325" related 
contributions/documents are collected at the following place:


User ID: avguest, Password: Avguest (Note the uppercase 'A')

Its index page is:


The first document h325req-000 collected "H.325" related records from 
the meeting reports. Documents referred to therein have been numbered 
sequentially from h325req-001 to h325req-048.

Best regards,

e-mail: okubo at
Visiting Professor
Global Information and Telecommunication Institute (GITI)
Waseda University
Waseda University, YRP Ichibankan 312        Tel: +81 46 847 5406
3-4 Hikarinooka, Yokosuka-shi, Kanagawa-ken  Fax: +81 46 847 5413
239-0847 Japan
                       H.323 videoconferencing: arranged by advice

At 21:46 -0500 07/02/27, Paul E. Jones wrote:
>Dear SG16 Experts,
>Over the past year, we have held a few meetings to discuss the 
>development of a third-generation multimedia system (namely, H.325). 
>I have been encouraged by the number of people who have either 
>stated privately or publicly that, indeed, there is a need and point 
>to reasons why something new needs to be considered as a replacement 
>to the now 11 year old second-generation systems (H.323 and SIP).
>At the same time, there have been some who have maintained the 
>position that we have already put a lot of investment into the 
>existing second-generation systems and ask why we should change. 
>Perhaps the simplest answer is that “technology never stops”.  A 
>slow-down in research and development activities that aim to improve 
>the way that we communicate effectively means that little progress 
>will be made and we will not improve communication much beyond what 
>the state of the art is today.  Innovation should never slow down 
>and, in fact, I do not think it will.  However, innovating around 
>the architectures and “baggage” of the second-generation systems 
>is proving to be a challenge, in my opinion.  The development, 
>management, and operation of second-generation systems are becoming 
>more expensive and, generally, only provide basic voice services are 
>provided to end users.
>I am trying to collect all of the requirements that have been 
>submitted thus far in a single document that will not be considered 
>accepted or rejected, but will serve as a starting point for further 
>discussion and elaboration.  Having read through some of the 
>material, I still believe that it is important to receive 
>contributions that speak to these areas:
>Why is it important to consider development of a third-generation 
>multimedia system?
>What are the business requirements that we need to consider as part 
>of such an effort?
>What problems are we trying to solve?
>What modes of communication would we like to enable that are simply 
>impossible or too costly due to constraints imposed by existing 
>Perhaps you can also think of other fundamental questions that are 
>still not answered or not answered sufficiently.  In any case, we 
>have just a few days left before the document registration deadline, 
>so I would like to request that if you have some ideas to share, 
>please request a document number from Mr. Okubo and submit a 
>contribution.  Even if your company is not a member of the ITU, 
>contributions are still welcome at this next meeting!

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