[176977] in North American Network Operators' Group
Re: OT - Verizon/ATT Cell/4G Signal Booster/Repeater
daemon@ATHENA.MIT.EDU (Jay Ashworth)
Mon Dec 22 10:25:24 2014
X-Original-To: nanog@nanog.org
Date: Mon, 22 Dec 2014 10:25:05 -0500 (EST)
From: Jay Ashworth <jra@baylink.com>
To: NANOG <nanog@nanog.org>
In-Reply-To: <54970D10.6010907@sprunk.org>
Errors-To: nanog-bounces@nanog.org
----- Original Message -----
> From: "Stephen Sprunk" <stephen@sprunk.org>
> On 16-Dec-14 12:27, John Schiel wrote:
> > One thing you might also want to consider are any calls you make to
> > 911 whilst using a repeater.
> >
> > I use a repeater supplied by T-Mobile and they made it very clear,
> > and
> > I had to specifically acknowledge a statement, that using such a
> > repeater takes away from emergency services being able to find out
> > where you are if you make a 911 call from your mobile.
> >
> > Some may refer to this as a feature, depending on how much tin foil
> > you have laying about, but the users of such device may need to be
> > warned about emergency calls. They'll need to be able to describe
> > where they are to the responding sirens.
>
> With any reasonably modern phone, wouldn't this problem only apply to
> areas where GPS isn't available (e.g. basements) and the system tries
> to fall back to using tower triangulation?
>
> AIUI, part of the registration process's purpose is to give a default
> location for your new "tower" so that emergency responders at least
> know where to start looking if no better location information is available,
> e.g. because the caller can't speak or is disoriented.
A friend of mine has a Sprint Airave picocell in her house, and it came with
an external GPS antenna; if the cell can't lock a GPS position, it doesn't
come online for calls.
Cheers,
-- jra
--
Jay R. Ashworth Baylink jra@baylink.com
Designer The Things I Think RFC 2100
Ashworth & Associates http://www.bcp38.info 2000 Land Rover DII
St Petersburg FL USA BCP38: Ask For It By Name! +1 727 647 1274
