Yes, I agree with the points Paul makes.

John 

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
> On Behalf Of Paul Kyzivat
> Sent: 06 March 2008 23:05
> To: [EMAIL PROTECTED]
> Cc: [email protected]
> Subject: Re: [BLISS] Call-completion design question: 
> End-to-end parameters
> 
> Dale,
> 
> Some problems with this:
> 
> - it only works for B2BUAs that work this way. Currently 
> there are none. 
> And of course there can be several, including ones that have no 
> particular desire to make this feature work.
> 
> - removing the callid is considered by some to be required to 
> hide node 
> names (which are often part of the callid). If that it thought to be 
> important then copying the callid to another field will 
> defeat the intent.
> 
>       Paul
> 
> [EMAIL PROTECTED] wrote:
> > In the current scheme, the natural approach to this situation would
> > be:
> > 
> > 
> >    Agent                  B2BUA                     Monitor
> >        INVITE call-ID 1            INVITE call-ID 2
> >                                    id="call-ID 1"
> >        ---------------->           ---------------->
> >         186                         186
> >        <----------------           <----------------
> > 
> >       SUBSCRIBE call-ID 3         SUBSCRIBE call-ID 4
> >      Event:...target-call-ID 1  Event:...target-call-ID 1
> >        ---------------->           ---------------->
> > 
> > 
> > At the monitor, the original call would be indexed by the 'id'
> > parameter, which is "call-ID 1".  This allows matching with the
> > subsequent SUBSCRIBE.
> > 
> > Dale
> > _______________________________________________
> > BLISS mailing list
> > [email protected]
> > https://www.ietf.org/mailman/listinfo/bliss
> > 
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