So if it’s going to be used, exactly as specified, whatever we do, then
what value is added by the IETF process?  -T


On Sat, Jul 20, 2013 at 11:28 AM, Andrew Allen <aal...@blackberry.com>wrote:

>
> The URN containing the IMEI is used by all mobile phones that support
> voice over LTE. It is a dependency for 3GPP release 8 (which was completed
> about end of 2008). So yes it is going to be used and its more than 3 years
> of 3GPP work invested and is already incorporated into many devices.
>
> In the pre-existing circuit switched systems the IMEI is delivered to the
> network as the device identifier and it is also necessary to deliver the
> same device identifier to the network when using SIP so that when handover
> takes place between packet switched and circuit switched the network can
> correlate the communication as being with the same device.
>
> Regulations also require the IMEI to be delivered to the network.
> This associated draft describes how 3GPP uses the IMEI as a SIP instance
> ID and the reasons why:
>
> http://datatracker.ietf.org/doc/draft-allen-dispatch-imei-urn-as-instanceid/
>
>
>
> ----- Original Message -----
> From: Scott Brim [mailto:scott.b...@gmail.com]
> Sent: Saturday, July 20, 2013 06:23 AM Central Standard Time
> To: S Moonesamy <sm+i...@elandsys.com>
> Cc: Tim Bray <tb...@textuality.com>; ietf@ietf.org <ietf@ietf.org>
> Subject: Re: Last call: draft-montemurro-gsma-imei-urn-16.txt
>
> Thanks, SM, for finding what I said back in 2010.  I still think this
> is architected wrong, conflating devices with communication endpoints
> higher up the stack, and steers us toward a path toward eventually
> "needing" to reduce privacy even more.  However, 3GPP has apparently
> already already started marching down that path.  Could our liaison
> explain the situation there?  Is anyone actually going to use it?  Is
> this a done deal - do we have to support it because otherwise 3 years
> of 3GPP work get undone?
>
> Scott
>
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