RE: [XCON] CPCP Requirement: Conference package subscribers

["Drage, Keith (Keith)" <drage@lucent.com>]

See below

> -----Original Message-----
> From: Jari.Mutikainen@nokia.com [mailto:Jari.Mutikainen@nokia.com]
> Sent: 15 December 2003 14:14
> To: hisham.khartabil@nokia.com; xcon@ietf.org
> Subject: RE: [XCON] CPCP Requirement: Conference package subscribers
> 
heavily snipped
> 
> > 
> > 1. Use your TEL URI in the SUBSCRIBE. Why would you use your 
> > SIP URI? You certainly don't have to.
> 
> At least in IMS this is impossible. I cannot take my grand 
> ma's PSTN phone, write down it's E.164 number, and register 
> from my SIP client using this E.164 number. In my 
> understanding the IMS provider allows registration only from 
> tel URIs it has allocated to me.
> 
This comes as part of release 6 for IMS. The it is possible to associate the same public user identity with two private user identities. and therefore register the same public user identity from two different devices (they must however have the appropriate USIM or ISIM application to hold the private user identity etc).

regards

Keith

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