[SIPForum-techwg] Interoperability Draft v3 - a few more comm ents

[Richard Shockey]

Paul Kyzivat wrote:
> It seems important to consider how the Privacy header plays with this. 
> If there is a P-Asserted-ID, and a Privacy:id in the request, then the 
> P-Asserted-ID needs to be removed when leaving the trust boundary. (I 
> think removing it and inserting a P-Preferred-ID with the same value 
> would at least violate the spirit, if not the letter, of that 
> requirement.) To get callerid to work correctly in conjunction with 
> P-Asserted-ID, I think you need to consider the PBX plus the SP as one 
> big trust domain, perhaps with limited degrees of trust at some points. 
> (At least I think they trust each other to honor the Privacy header.)

Would that be the same for Calling Name Delivery (Display) aka (CNAM) as
well as well.

> 
> If they do have this much trust then they probably should exchange 
> P-Asserted-ID across their boundary. If they don't, then maybe the PBX 
> uses P-Preferred-ID to the SP.
> 
>     Paul





> 
> Joanne McMillen wrote:
> 
>> 
-- 


 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Richard Shockey, Director - Member of Technical Staff
NeuStar Inc.
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