AW: Questions on H.450.Hold

Fri Aug 14 06:04:10 EDT 1998

Santo,

Your questions have also been addressed already in the Cannes meeting.
The outcome of this Cannes discussion will be reflected in the updated
version of the document.

See details below.

Karl
------------------------------------------------
Karl Klaghofer, Siemens AG, Dpmt. PN VS LP3
Hofmannstr. 51, D-81359 Munich, Germany
Tel.: +49 89 722 31488, Fax.: +49 89 722 37629
e-mail: karl.klaghofer at vs.siemens.de

> ----------
> Von:  Santo Wiryaman[SMTP:swiryaman at VIDEOSERVER.COM]
> Antwort an:   Mailing list for parties associated with ITU-T Study
> Group 16
> Gesendet:     Freitag, 14. August 1998 08:52
> An:   ITU-SG16 at mailbag.cps.intel.com
> Betreff:      Questions on H.450.Hold
>
> Greetings!
>
> In H.450.Hold (Cannes version June 1, 98) I noticed that a provision
> for
> a GK-routed model gatekeeper to intercept the remoteHold.inv was added
> in
> figure 6b. However, Section 10 was not updated to reflect this
> provision.
>  In other words, section 10 still says that the GK shall pass on
> SS-HOLD
> transparently as if figure 6b did not exist.  Was this an oversight,
> or
> section 10 shall stand as it is?
Section 10 will be updated accordingly.

> Other comments on figure 6b:
> 1. The label on the to of figure 6b also says "GK (transparent)"
> which
> I assume was a copy/paste error
Will be corrected.
> 2. Must the footnote "Only applicable if media channels are routed via
> GK
> before SS-HOLD"  be there?  I can envision that the GK can "patch in"
> a
> media channel from an H.323 Music endpoint somewhere else on the
> network
> or from within the GK itself when user B is in Held state.  In other
> words, even if the media channels were not routed via GK, the GK could
> send music on hold
That was what we agreed in Cannes - will be changed accordingly.
> 3. Is it useful to show that the GK may optionally send TCS=0 (Empty
> Terminal Cap Set) to users A and B?
Yes - the figure 6b will show what the revised text in clause 10 will
specify
(i.e. the usage of "third party initiated pause and re-routing" option).
> 4. Is it mandatory for the GK to send holdNotific.inv to B? Or, could
> the
> GK optionally not send it and rely on TCS=0 for user B to close its
> media
> channel?
It should be an option and refelcted by the text in clause 10.

> Any clarification would help. Thank you.
>
> Best regards,
>
> Santo Wiryaman
> Videoserver Inc.
> swiryaman at videoserver.com
>
>

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