Conflicting text in H.323 concerning the requirement for esta blishing a H.245 control channel??

[Agboh, Charles]

which defeats the whole point of having a Fast Connect procedure (FS +
H.245).  Why isn't in-band- DTMF transfer used instead (in FS)?

-Charles

> -----Original Message-----
> From: Frank Derks [mailto:frank.derks at PHILIPS.COM]
> Sent: Tuesday, March 20, 2001 4:40 PM
> To: ITU-SG16 at MAILBAG.INTEL.COM
> Subject: Re: Conflicting text in H.323 concerning the requirement for
> establishing a H.245 control channel??
>
>
> Chris,
>
> I thought I was being clear enough, so let me try again.
> 6.2.8/H.323 states
> that an enpoint must open one (and exactly one) H.245 control
> channel. When
> Fast Connect is being used, I assume that the intention is
> that no such control
> channel is opened.
>
> To be compliant with 6.2.8/H,323 I would have to open a H.245
> control channel
> irrespective of which type of H.245 procedures I will be
> using. So if I intend
> to use Fast Start (and assuming that the other party also
> supports this), I
> still have to open a H.245 control channel.
>
> Frank
>
>
>
>
>
>
> cwp at isdn-comms.co.uk on 20-03-2001 15:17:14
> To:     Frank Derks/HVS/BE/PHILIPS at EMEA2
> cc:     ITU-SG16 at mailbag.cps.INTEL.COM@SMTP
> Subject:        Re: Conflicting text in H.323 concerning the
> requirement for establishing a H.245 control channel??
> Classification:
>
> Frank,
>
> Why do you consider this text to be "conflicting"?
> Specifically, with what does it conflict?
>
> Regards,
> Chris
>
> > 6.2.8/H.323 states: "The endpoint shall establish exactly one H.245
> > Control Channel for each call that the endpoint is
> participating in."
> > 8.1.7/H.323 never states that when Fast Connect is being used such a
> > control channel should be established. As far as I understand the
> > mechanism this is only required to switch to "normal" H.245
> procedures.
> >
> > It would seem that section 6.2.8 should be rephrased to
> make clear that
> > the H.245 control channel shall only be established when
> "normal" H.245
> > procedures are being followed and not in the fast connect case.
> >
> > Frank
> --
> Dr Chris Purvis -- Development Manager
> ISDN Communications Ltd, The Stable Block, Ronans, Chavey Down Road
> Winkfield Row, Berkshire.  RG42 6LY  ENGLAND
> Phone: +44 1344 899 007
> Fax:   +44 1344 899 001
>
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