TDs from Q.12/16 Rapporteur

Sakae Okubo okubo at GCTECH.CO.JP
Tue Jan 20 20:25:00 EST 1998


Dear SG16 colleagues,

Attached please find my status report to be presented next week at the
WP2/16 plenary. If you have any advice, particularly on items needing
guidance of WP2/16, please tell me. I will include them in my
presentation.

Best regards,

Sakae OKUBO (Mr.)
********************************************************************
Graphics Communication Laboratories       Phone:  +81 3 5351 0181
6F ANNEX TOSHIN BLDG.                     Fax:    +81 3 5351 0184
4-36-19 Yoyogi, Shibuya-ku, Tokyo         e-mail: okubo at gctech.co.jp
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INTERNATIONAL TELECOMMUNICATION UNION      Temporary Document
TELECOMMUNICATION STANDARDIZATION SECTOR
STUDY PERIOD 1997-2000

STUDY GROUP 16
Geneva, 26 January - 6 February 1998

Question  :    12/16
SOURCE*   RAPPORTEUR FOR Q.12/16
 :
TITLE :   REPORT ON THE STATUS OF Q.12/16 "B-ISDN MULTIMEDIA
          SYSTEMS AND TERMINALS"

---------------------

1.   Interim activities

After the SG16 meeting in March 1997, Q.12/16 held two
Rapporteur meetings jointly with Q.13/16 and Q.14/16:

-    10 - 13 June 1997, in Hertzlia (Israel), hosted by
 RADVision and Vocaltec
-    8-11 September 1997, in Sunriver (USA), hosted by Intel

After the Sunriver meeting, Q.12/16 work has been carried out
through correspondence.

2.   Progress of the work

The progress of Q.12/16 work is summarized in the following
table:

-------------------------------------------------------------
Study subject            Document    Editor      Det.   Dec.
-------------------------------------------------------------
H.222.0|ISO/IEC 13818-1  COM 16-29   S. Okubo    97/0   98/0
Amendments 3 and 4                   (GCL -      3      1
                                     Japan)
H.222.0|ISO/IEC 13818-1  TD          S. Okubo    98/0   98/0
Amendment 5                          (GCL -      1      9
                                     Japan)
H.310 Correction         COM 16-55   S. Okubo    98/0   98/0
                                     (GCL -      9      1
                                     Japan)
H.310 Version 2          TD          K. Sakai    98/0   98/0
                                     (Fujitsu -  1      9
                                     Japan)
H.321 Version 2          COM 16-39   C. Gates    97/0   98/0
                                     (FVC - USA) 3      1
H.bmultipoint            TD          H. Harasaki 98/0   98/0
(broadband multipoint                (NEC -      1      9
systems)                             Japan)
Security for broadband               {solicited} TBD    TBD
systems*
VBR aspects                          M. Nilsson  TBD    TBD
                                     (BT - UK)
H.246 Annex (broadband               {solicited} TBD    TBD
system interworking)
-------------------------------------------------------------
* Security for broadband systems address ATM specific
  considerations; generic specifications are covered by
  H.235.

The major work items toward determination of H.310 Version 2
and H.bmultipoint are listed as follows:

H.310 Version 2

-    Reflection of H.310 Implementers Guide
-    Reflection of corrected H.320/H.321 interoperation mode
 stack of RAST-5 terminals
-    Inclusion of procedures for intercommunication between
 H.310 RAST-1 and RAST-5 terminals
-    Reflection of the advice from SG11 regarding the use of B-
 HLI for resourceId indication.

H.bmultipoint

-    Reflection of the Sunriver meeting discussion outcome
-    Inclusion of basic communication procedures using H.245
 control and H.310 VFS C&I for the video switching and video
 mixing multipoint
-    Discussion of clocking issues
-    Review of the call setup procedures in the light of point-
to-multipoint  configuration

These and other items need be further reviewed and discussed
at this meeting.

3.   Objectives of this meeting

-    Decision of H.222.0|ISO/IEC 13818-1 Amendments 3 and 4
-    Decision of H.321 Version 2
-    Approval of H.310 Correction
-    Determination of H.310 Version 2
-    Determination of H.bmultipoint
-    Determination of H.222.0|ISO/IEC 13818-1 Amendment 5
-    Discussion on security, VBR and interworking aspects
-    Production of liaison statements to relevant groups
-    Discussion on future direction

4.   Particular items needing the guidance of WP2

1)   Forward referencing to the SG11 definition

H.321 Version 2 relies on SG11 definition of new signalling
capabilities:

-    Section 7.3"End Station Identifier" in Q.2941.1 GIT
-    Section C.4parameter  "X"in a Q.2931 Notification
 Indicator IE

At the time of decision of H.321 Version 2, they are under
development in SG11. A possible solution will be to issue
Implementers Guide of H.321 when SG11 has completed these
works.

2)   Future direction of standardizing ATM-based audiovisual
communication systems

H.310 Version 2 and H.bmultipoint will provide the basic set
of specifications for the ATM-based audiovisual communication
systems. The next step target should be set as part of the
future H-series workplan with cosideration of the current
level of interest in the ATM-based systems.

____________________________
*Contact:  Sakae OKUBO                    Tel.: +81 3 5351
           0181
           Graphics Communication Laboratories     Fax: +81 3
           5351 0184
           Tokyo, Japan                   E-mail:
           okubo at gctech.co.jp



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