AW: Questions on H.450.Hold

14 Aug 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@vs.siemens.de
...

Von:  Santo Wiryaman[SMTP:swiryaman@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@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:

The label on the to of figure 6b also says "GK (transparent)"

which
I assume was a copy/paste error
Will be corrected.
...

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.
...

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).
...

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@videoserver.com
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Klaghofer, Karl PN VS LP3

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