RE: AW: [Sipping-tispan] Re: CCBS/CCNR in Version -02f

Miguel,

Continuing on my earlier comment:  By network are you taking routers?  

If you mean voice host applications such as proxies, are you suggesting
that a proxy in the middle of a network somewhere will do this
prioritization?

If you mean some service of the callee, what is the chance that 2 calls
will arrive simultaneously?

Or do you mean the callee (or his server) will know that there is a
caller camped on and will intentionally delay incoming calls while a
"subscriber free" indication is sent toward the caller and completed
with some notification or timer before moving on to the regular call?

I certainly hope you are not suggesting that we elevate CCBS calls to
the status of emergency calling.  There are only so many useful levels
of priority, and this could muddy the water.

Mike

> -----Original Message-----
> From: sipping-tispan-bounces@ietf.org 
> [mailto:sipping-tispan-bounces@ietf.org] On Behalf Of Miguel Garcia
> Sent: Tuesday, September 27, 2005 7:47 AM
> To: Schmidt, Christian
> Cc: Tessa Silvia; sipping-tispan@ietf.org
> Subject: Re: AW: [Sipping-tispan] Re: CCBS/CCNR in Version -02f
> 
> 
> 
> Schmidt, Christian wrote:
> 
> > 
> > 
> > We have already have REQ 12 stating that
> > 	 Any communication performed as a result of the execution of a 
> > CCBS/CCNR request should be distinguishable from regular 
> communications.
> > 
> > So,  all terminating call are "distinguishable" and any policy a 
> > network might have could be easily based on this, without 
> further requirements.
> > Other views ?
> > 
> > Christian: I see, perhaps you can add a short explanation 
> for this purpose:
> > 	 Any communication performed as a result of the execution of a 
> > CCBS/CCNR request should be distinguishable from regular 
> communications.
> > This can be used to priorize CCBS/CCNR calls towards the callee.
> > What do you think?
> > 
> 
> I have a proposal for this requirement:
> 
> 
>     REQ-CCBS/CCNR-12:
>     It must be possible for the network to priotirize 
> CCBS/CCNR recalls
>     towards the callee, above regular calls. This implies that any
>     communication performed as a result of the execution of a 
> CCBS/CCNR
>     request should be distinguishable from regular communications.
> 
> 
> /Miguel
> 
> 
> > Regards
> > Silvia
> > 
> 
> 
> -- 
> Miguel A. Garcia           tel:+358-50-4804586
> sip:miguel.an.garcia@openlaboratory.net
> Nokia Research Center      Helsinki, Finland
> 
> 
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