RE: [XCON] CPCP Requirement: Conference package subscribers

[Jari.Mutikainen@nokia.com]

> -----Original Message-----
> From: ext Drage, Keith (Keith) [mailto:drage@lucent.com]
> Sent: 19 December, 2003 13:14
> To: Mutikainen Jari (NMP-MSW/Helsinki); Khartabil Hisham
> (NMP-MSW/Helsinki); xcon@ietf.org
> Subject: RE: [XCON] CPCP Requirement: Conference package subscribers
> 
> 
> 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

Yes, I agree, but the requirement was to be able to join to the conference from any POTS terminal, while subscribing and managing the conference status from IMS SIP device.

BR,
Jari  

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