Re: [martini] GIN temp GRUU

Martien Huysmans wrote:
> The mail was called: GIN and anonymous GRUUS
> 
> I was not considering "out of dialog requests". 
> Is that a requirement for anonymous calls?

Its required for certain features to work, such as:

- transfers using REFER
- use of KPML

> With a B2BUA in place, perhaps gruu would not be needed at all.

Well, a contact is required that is globally routable, and that uniquely 
identifies the UA. In my book that is a GRUU, regardless of how it is 
constructed.

	Thanks,
	Paul

> /Regards Martien 
> 
> -----Original Message-----
> From: Paul Kyzivat [mailto:pkyzivat@cisco.com] 
> Sent: Thursday, July 01, 2010 2:24 AM
> To: Martien Huysmans
> Cc: Cullen Jennings; martini@ietf.org
> Subject: Re: [martini] GIN temp GRUU
> 
> 
> 
> Martien Huysmans wrote:
>> Hi
>>
>> In the mailing list also the option of a privacy service provided by 
>> the SSP was suggested, which when acting as B2BUA, would ensure that a party remains anonymous.
>> No comments were posted on this suggestion.
>> Can this be a viable alternative?
> 
> I didn't see that mail - can you provide a reference?
> 
> What privacy service spec/features does this imply?
> 
> To provide full functionality, for every dialog it would have to insert a B2BUA, create a temp gruu to replace the supplied contact, and then route out-of-dialog requests for that temp-gruu to the calling UA. And it would have to inactivate that temp-gruu at some suitable time.
> 
> The real gruu mechanism seems less trouble.
> 
> 	Thanks,
> 	Paul
> 
>> Regards Martien
>>
>> -----Original Message-----
>> From: martini-bounces@ietf.org [mailto:martini-bounces@ietf.org] On 
>> Behalf Of Cullen Jennings
>> Sent: Wednesday, June 16, 2010 7:01 PM
>> To: martini@ietf.org
>> Subject: [martini] GIN temp GRUU
>>
>>
>> I'm not OK with requiring out of band provisioning for K_e2. This would be a nightmare in practice. Could it be passed in the register response?
>>
>> Having this as optional does not really work for me because most the US based customers doing PSTN replacement believe they are required to provide anonymous call. 
>>
>> Overall, looks workable yet complicated - I wish there was a simpler way but I could live with this. 
>>
>>
>>
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> 