Re: Vonage Selects TCS For VoIP E911 Service

[Andre Oppermann <nanog-list () nrg4u com>]

Michael.Dillon () btradianz com wrote:
> > > I see no other way of doing this reliably than to put some kind of 
> > > GPS device into the VoIP unit.
> >
> > While I agree that GPS is the likely answer, I wasn't expecting the 
> > ability to work inside computer rooms and basements.
>
>
> It doesn't need to work in basements, etc. It only needs to keep
> a record of the last location it was at when the signal faded
> away. The emergency service vehicles probably can't get any closer
> than that anyway.

I wonder how that works with VoIP ATA adapters. Last time I looked
they didn't work while I was carrying it around in its box from the
dealer home.

To sum it up: Using GPS to geo-locate VoIP phones or adapters is broken
by design.

--
Andre