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Re: [Linphone-developers] SIP address or phone number:

From: Simon Morlat
Subject: Re: [Linphone-developers] SIP address or phone number:
Date: Mon, 17 Aug 2009 20:53:25 +0200
User-agent: KMail/1.11.4 (Linux/2.6.30-1-amd64; KDE/4.2.4; x86_64; ; )

Hi all,

To clarify:
- tel: is not handled
- sip:84934013849 is resolved as an ENUM (using e164 dns service)
- a number or a username is resolved as 'sip:<number or username>@<my default 
proxy> , whenever you are registered or not. If there is no default proxy set, 
this is invalid and linphone should throw an error.

A possible improvement would be that, if no default proxy is set, a number is 
resolved like an enum, whenever there sip: or not before.
Another possible improvement should be to handle properly tel: .

Any comments ?
Do you actually use the ENUM service ? Personnaly I don't know much people 
using it, since setting the number to point to the actual SIP address in the 
DNS cannot be done through linphone, only using external interfaces or tools 
(that I don't know).


Le lundi 17 août 2009 20:29:35, Nathan Stratton a écrit :
> On Mon, 17 Aug 2009, Petr Pisar wrote:
> > I'm strongly against this approach as I described above. From point of
> > theory and URI handling, <sip:address@hidden> is not equaled to <tel:N> in
> > general. Anybody is free to register <sip:address@hidden> on his registrar. 
> > Thus
> > embeding telephone number into sip: URI is specific to local SIP routing
> > policy and no obligation in this direction should bee assumed. Also
> > public phone numbers (E.164) are (usually) maintained by authorites
> > different from local SIP operator, therefore overloading sip: namespace
> > is wrong way if one recalls SIP is not about numbers only.
> >
> > Be ware that SIP protocol allows to INVITE any URI including tel: URI.
> I understand that, however check out CounterPath, SJPhone, etc, whenever
> your registered the user expects to just enter a phone number.
> -Nathan
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