The meaning of "mode" in the H.323 Recommendation?

frank.derks at philips.com frank.derks at philips.com
Mon Jan 29 02:58:02 EST 2001


Paul,

yes. Reading  through the definitions section of H.323 (again;-)), made me realize that it states
that the definitions from H.225.0 and H.245 also apply to the H.323 Recommendation. I suppose
that things are covered this way. Nevertheless, to improve readability, it wouldn't hurt to add
explicit references to definitions for things that are rather important.

Frank





paulej at packetizer.com on 28/01/2001 21:48:30
To:	ITU-SG16 at mailbag.cps.intel.com@SMTP
Frank Derks/HVS/BE/PHILIPS at EMEA2
cc:	 
Subject:	Re:      Re: The meaning of "mode" in the H.323 Recommendation?
Classification:	

Frank,

I trust that Mike's answer to "mode" addresses your concerns.

With respect to "H.225.0 logical channel signalling", yes.. that should be
H.245.

Paul

----- Original Message -----
From: "Frank Derks" <frank.derks at PHILIPS.COM>
To: <ITU-SG16 at mailbag.cps.intel.com>
Sent: Friday, January 26, 2001 8:04 AM
Subject: Re: The meaning of "mode" in the H.323 Recommendation?


> Paul,
>
> the sections I was referring to are the following:
>
> - 6.2.8.1, 5th paragraph: "The transmitting terminal assigns each
individual mode ..."
> - 6.2.8.1, 6th paragraph: "... audio modes ..."
> - 6.2.8.1, 7th paragraph: "... indicates a set of modes ..."
> - 6.2.8.1, 1st paragraph after the notes: "... dependencies between
operating modes ...", "...different sets of modes ..."
> - 6.2.8.2,  3rd paragraph: "... certain symmetrical modes ...", " ...
using a particular mode ..."
>
> Undoubtedly it appears in more places.
>
> Something else that struck as strange, was section 6.2.8.6. It mentions
H.225.0 logical signalling procedures and
> H.225.0 logical channels. I would assume that these should read "H.245".
>
> Frank
>
>
>
>
>
> paulej at PACKETIZER.COM@SMTP at MAILBAG.INTEL.COM on 26-01-2001 11:03:30
> Please respond to paulej at PACKETIZER.COM@SMTP
> Sent by:        ITU-SG16 at MAILBAG.INTEL.COM
> To:     ITU-SG16 at MAILBAG.INTEL.COM@SMTP
> cc:
> Subject:        Re: The meaning of "mode" in the H.323 Recommendation?
> Classification:
>
> Frank,
>
> I would need to look at the particular section of text or sections :-),
but
> I if it isn't clear, I'd agree that it should be clarified.
Unfortunately,
> it's too late to get such text into H.323 version 4.
>
> If it is a short list of sections, post them here and I suspect folks will
> be able to get an answer to you before I get back into the office (I'm
> currently on the road).  If the list is lengthy, just send it to me and
I'll
> look at the sections when I get a chance.  Do you think this is something
> that needs clarification in the implementers guide or something to try to
> get into v5?
>
> Paul
>
> ----- Original Message -----
> From: "Frank Derks" <frank.derks at PHILIPS.COM>
> To: <ITU-SG16 at mailbag.cps.intel.com>
> Sent: Tuesday, January 23, 2001 7:33 AM
> Subject: The meaning of "mode" in the H.323 Recommendation?
>
>
> > Paul,
> >
> > as I was reading through the latest draft of H.323v4, I came across
> something that has
> > been in the recommendation for a long time, but that I never quite
> grasped: "mode".
> > The recommendation talks about "mode" and there is a (H.245) message to
> request
> > a terminal to use a certain "mode" (requestMode), but there is no
> explanation of what
> > "mode" actually means. Shouldn't there be a definition of "mode" in the
> Definitions
> > section?
> >
> > Regards,
> >
> > Frank
> >
> > -----------------------------------------------------
> > Frank Derks                    |Tel  +31 35 6893238 |
> > Advanced Development           |Fax  +31 35 6891030 |
> > Philips Business Communications|P.O. Box 32         |
> >                                |1200 JD  Hilversum  |
> >                                |The Netherlands     |
> > ----------------------------------------------------|
> > E-mail: mailto:frank.derks at philips.com              |
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> >
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