[Enum] Re: [Geopriv] Re: [Simple] tel URIs in common policy

["Stastny Richard" <Richard.Stastny at oefeg.at>]

James wrote:
>So, and perhaps this is a naive point/question - 
yes ;-)
 
>what happens when a
>carrier no longer operates a phone number that is in operation by another
>carrier?

You mean, what happens if you port a phone number from one cariier-of-record
to another? This is exactly what Carreir ENUM is for.

>For example, my wife has had the same cell phone number for 15+ years, yet
>she has recently changed to her third carrier.  The company that originally
>owned her phone number is being acquired by a 4th company now (here in the
>US, giving you a hint as to two of the players involved).

>What does this do to your statement:

>         "The format sip:+1-232-555-1234 at foo.com;user=phone
>gets very important especially for Carrier ENUM indicating
>the destination providers"

 sip:+1-232-555-1234 at foo.com;user=phone
has to be changed to

 sip:+1-232-555-1234 at bar.com;user=phone

to indicate the new carrier-of-record

-richard







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