Paper on multimedia contexts in H.gcp/megacoP (pdf format)

John Segers jsegers at LUCENT.COM
Mon May 3 12:19:18 EDT 1999


Tom,
The H.245 allows the association of specific streams for lip synch
between audio and video. The general case that you specify is to know
which streams belong to one call so that you can treat them as one
entity. The MGC must know both relations to control the call.
Roni Even

**********************************************
Roni Even
VP Product Marketing
Accord Video Telecommunication
Email: roni_e at accord.co.il
Tel: +972-3-9251412
Fax: +972-3-9211571
***************************************************

> -----Original Message-----
> From: Tom-PT Taylor [SMTP:taylor at NORTELNETWORKS.COM]
> Sent: Thursday, April 29, 1999 6:38 PM
> To:   ITU-SG16 at MAILBAG.INTEL.COM
> Subject:      Synchronization Of Streams
>
> This is a question which affects the design of the Media gateway
> control
> protocol.  What information must be passed to the MG so it knows which
> media
> streams have to be synchronized?  Is it sufficient that the MG knows
> which
> streams are flowing over the same user connection, or does the
> relationship
> have to be specified on a per-stream basis.  I know that H.245 allows
> the
> latter, but I am considering the possibility of a Termination in a
> multimedia context, which binds together multiple H.245 Logical
> Channels.
> Under that circumstance, can the MG use rules to know that, for
> instance,
> audio and video are synchronized but data flows independently?
>
> Tom Taylor
> E-mail: taylor at nortelnetworks.com  (internally Tom-PT Taylor)
> Tel.: +1 613 736 0961     (ESN 396-1490)
> FAX: same number by prior arrangement (manual answer).



More information about the sg16-avd mailing list