RE: AW: AW: [Sip] SIPIT Interop problem with ;user=phone

[hisham.khartabil@nokia.com]

When if I hand you this on a business card:

Phone: 0401234567

and one of your colleagues hands you this:

SIP: 0401234567@tutpro.com

What do you dial to call me and what do you dial to call your colleague, using your phone? How does your proxy tell the difference?

/Hisham

> -----Original Message-----
> From: ext Juha Heinanen [mailto:jh@tutpro.com]
> Sent: Tuesday, September 02, 2003 7:52 PM
> To: Khartabil Hisham (NMP/Helsinki)
> Cc: Brian.Rosen@marconi.com; Richard.Stastny@oefeg.at; 
> fluffy@cisco.com;
> dean.willis@softarmor.com; sip@ietf.org
> Subject: RE: AW: AW: [Sip] SIPIT Interop problem with ;user=phone
> 
> 
> hisham.khartabil@nokia.com writes:
> 
>  > I can hand a Nokia colleague a business card that has the 
> following info:
>  > 
>  > Tel: 04012345
>  > SIP: 04067891@nokia.com
>  > 
>  > He dials +3584012345. How does the UA know if it should append
>  > @nokia.com and make it a sip URI or just make it a tel URI?
> 
> if i dial +3584012345 from my sip phone, it will not append @nokia.com
> to the number.  instead it will append @tutpro.com, which is 
> the domain
> of the phone.  then the phone will forward the call to the proxy of
> tutpro.com, which will do enum lookup on the number and, if that
> succeeds, forward the call according to the reply, and if is doesn't
> succeed, forward the call to our pstn gw.
> 
> -- juha
> 

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