FYI - SIP-H.323 Interworking BOF

Roy, Radhika R, ALARC rrroy at ATT.COM
Wed Mar 8 11:27:38 EST 2000


Hi, Everyone:

ITU-T and IETF are the formal standard bodies to create standards for H.323
and SIP, respectively, and the interworking standard between the two is also
a part of it..

However, all inputs from other organizations will definitely be welcomed.

Best regards,
Radhika R. Roy
AT&T

> -----Original Message-----
> From: Euchner Martin [SMTP:Martin.Euchner at MCHP.SIEMENS.DE]
> Sent: Wednesday, March 08, 2000 4:16 AM
> To:   ITU-SG16 at MAILBAG.INTEL.COM
> Subject:      Re: FYI - SIP-H.323 Interworking BOF
>
> just for your information for those interested in H.323/SIP:
>
> I would like to draw your attention to an activity group already debating
> H.323-SIP interworking for quite a while: IMTC aHIT!. To my knowledge they
> already came out with some first results on architectures and interworking
> scenarios. Please get in touch with this group and consider their results.
> see also http://www.imtc.org/act_ahit.htm
> <http://www.imtc.org/act_ahit.htm>
> and discussions on their mailing list.
>
> Thus, it appears to me that there are already quite a few groups (IETF,
> IMTC, ETSI) discussing H323/SIP interworking. I do not quite see necessity
> to have ITU-T SG16 as yet another group for this topic.
>
> regards
>
> Martin.
>
> -----------------------------------------------------------------------
> | Dipl.-Inf.                     Phone: +49 89 636-46201
> | Martin Euchner                 Fax  : +49 89 636-48000
> | Siemens AG
> | ZT IK 3                        mailto:Martin.Euchner at mchp.siemens.de
> |                                mailto:martin.euchner at ties.itu.int
> | Otto-Hahn-Ring 6               Intranet:
> http://zt-security.mchp.siemens.de/de/Competence/Standardization/ITU-T_SG1
> 6/
> index.html
> | D-81730 Muenchen               Internet: http://www.siemens.de
> | __________________
> | Germany
> -----------------------------------------------------------------------
>
>
>         -----Original Message-----
>         From:   Joon Maeng [SMTP:joon_maeng at VTEL.COM]
>         Sent:   Saturday, March 04, 2000 6:56 PM
>         To:     ITU-SG16 at mailbag.cps.intel.com
>         Subject:        Re: FYI - SIP-H.323 Interworking BOF
>
>         Roy, you your are right.  It is focused on the SIP and H.323
> interworking.
>         I attached the tentative agenda for the BOF.  Depending on the
> speakers we
>         identify, the agenda may inlcude some presenters but the main
> focus
> will not
>         be modified.
>         Regards,
>         Joon
>
> ------------------------------------------------------------------------
>         BOF: SIP and H.323 Interworking (sip323)
>         Area: Transport
>         Time requested: one 1 hour slot
>         Chairs: Joon Maeng <joon_maeng at vtel.com>
>                 Dave Walker <drwalker at ss8networks.com>
>
>         Description:
>
>         There are two competing standards in the industry for establishing
> and
>         managing real-time interactive media communications over IP.  One
> is
> the
>         proposed IETF standard, Session Initiation Protocol (RFC 2543),
> and
> the
>         other is the ITU recommendation, H.323.  Although they use the
> same
>         protocol (RTP) for media streaming, they cannot establish calls
> between
>         them.  In the absence of any formal interoperability standards,
> many
>         vendors are beginning to develop proprietary application gateways
> for
>         interworking between SIP and H.323.
>
>         In order to provide interoperability between the two standards, it
> is
>         urgent to define a common interworking specifications for the
> industry.
>         The recognition of the need for this interworking specification
> has
> lead
>         to calls for its development from both manufacturers and service
>         providers, individually and through industry consortia (such as
> IMTC)
>         and other bodies concerned with interoperability (such as ETSI).
>
>         In this BOF, we are going to discuss SIP and H.323 interworking
> issues,
>         execution plans and the scope of the work.
>
>         Agenda:
>
>         - Do we need SIP-H.323 interworking?
>         - Coordination with other groups?
>         - Scope of interworking
>         - Outcome of the work?
>         - Suggestions?
>
>         Helpful reading:
>             - draft-singh-sip-h323-00.txt
>             - SIP: Session Initiation Protocol (RFC 2543)
>             - SDP: Session Description Protocol (RFC 2327)
>             - ITU recommendations: H.323, H.225.0, H.245
>
>         > -----Original Message-----
>         > From: Roy, Radhika R, ALARC [mailto:rrroy at att.com]
>         > Sent: Friday, March 03, 2000 3:12 PM
>         > To: ITU-SG16 at mailbag.cps.intel.com
>         > Subject: Re: FYI - SIP-H.323 Interworking BOF
>         >
>         >
>         > Hi, Everyone:
>         >
>         > It appears that BOF is focused only on SIP-H.323 Interworking
> (not
>         > H.323-Internet Interworking as titled by Orit).  I guess that
>         > Joon and Dave
>         > will clarify this better.
>         >
>         > Best regards,
>         > Radhika R. Roy
>         > AT&T
>         >
>         > > -----Original Message-----
>         > > From: Orit Levin [SMTP:orit at radvision.com]
>         > > Sent: Friday, March 03, 2000 3:57 PM
>         > > To:   ITU-SG16 at MAILBAG.INTEL.COM
>         > > Subject:      Re: FYI - SIP-H.323 Interworking BOF
>         > >
>         > > Great!
>         > > I am attaching the revised so far TOR. Please, send your
> comments.
>         > > Hope you will find it useful in Australia.
>         > > Best regards,
>         > > Orit Levin
>         > > RADVision Inc.
>         > > 575 Corporate Drive Suite 420
>         > > Mahwah, NJ 07430
>         > > Tel: 1 201 529 4300  (230)
>         > > Fax: 1 201 529 3516
>         > > www.radvision.com
>         > > orit at radvision.com
>         > > -----Original Message-----
>         > > From: Joon Maeng <joon_maeng at VTEL.COM>
>         > > To: ITU-SG16 at MAILBAG.INTEL.COM <ITU-SG16 at MAILBAG.INTEL.COM>
>         > > Date: Thursday, March 02, 2000 8:18 PM
>         > > Subject: FYI - SIP-H.323 Interworking BOF
>         > >
>         > >
>         > > >Hi folks.  There will be a SIP-H.323 Interworking BOF at
>         > the IETF meeting
>         > > in
>         > > >Australia.  Dave Walker with SS8 Networks and I will chair
>         > the BOF. You
>         > > can
>         > > >find the agenda at
>         http://www.ietf.org/meetings/IETF-47.html when IETF
>         > posts
>         > >agendas.
>         > >Regards,
>         > >Joon << File: H323-Internet.zip >>



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