RE: [Enum] E.164 communication assumptions/requirements

["Michael Hammer \(mhammer\)" <mhammer at cisco.com>]

Quick check.  Is it correct to refer to these as ENUM only numbers, or
are they IP-domain numbers for which ENUM is just one method of routing
to them.  This might be country-specific.

Mike
 

> -----Original Message-----
> From: enum-bounces at ietf.org [mailto:enum-bounces at ietf.org] On 
> Behalf Of james.f.baskin at verizon.com
> Sent: Friday, July 29, 2005 3:34 PM
> To: enum at ietf.org
> Subject: Re: [Enum] E.164 communication assumptions/requirements
> 
> 
> 
> 
> 
> Richard Stastny replied to James McEachern:
> 
> >>I'm not sure I understand what it would mean to route an ENUM-only 
> >>number
> to the PSTN.
> >
> >All E.164 numbers needs to be (should be ;-) routed on the 
> PSTN, so an
> ENUM-only
> >number is routed to the nearest GW capable of querying ENUM.
> >
> >For each such number range at least one default GW exists.
> >This is especially necessary if say an operator in the US 
> does not now 
> >or does not care that +43780xxxx is an ENUM only range, the 
> call still 
> >can be completed by simply routing the call to +43
> >
> So there is a kind of ^carrier-of-record^ even for ENUM-only 
> numbers, at least in Austria.  I would hope that other 
> countries will require similar arrangements if they allow 
> ENUM-only number assignments.
> By the way, if the governments of countries allowing 
> assignment of ENUM-only numbers want to consider a completely 
> level playing field for telecommunications users and 
> providers (and require true portability), the number ranges 
> for ENUM-only numbers won't stay purely ENUM when some users 
> port those numbers to PSTN carriers.  This may be country- dependent.
> 
> Jim
> 
> >
> >-richard
> 
> 
> 
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