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Re: Gen-ART review of draft-ietf-bliss-shared-appearances-11

2012-06-29 14:18:55
On Thu, 2012-06-28 at 20:05 -0500, Alan Johnston wrote:

4.1 - REQ-16:

  in this case, seizing the line is the same thing as dialing.

That seems wrong - I would have thought it was a "prerequisite" as
opposed to "the same thing" because seizing the line is immediately
followed by a dialing request.


This requirement is about sending one request that causes both actions
to occur.  In a PSTN ringdown circuit (a very specialized circuit,
used for "hotlines"), the two operations are the same thing.  Besides
this statement, is REQ-16 itself not clear?  Perhaps I should just
remove this statement if it adds confusion rather than clarity to the
requirement.

IMHO, a good fix is:

   REQ-16 The mechanism should support a way for a UA to seize a
   particular appearance number and also send the request at the same
   time.  This is needed when an automatic ringdown feature (a telephone
   configured to immediately dial a phone number when it goes off hook)
   is combined with shared appearances - in this case, seizing the line
   is >>>integrated with<<< dialing.

Dale