[80516] in North American Network Operators' Group

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Re: FCC To Require 911 for VoIP

daemon@ATHENA.MIT.EDU (Jay R. Ashworth)
Mon May 2 15:14:45 2005

Date: Mon, 2 May 2005 15:14:11 -0400
From: "Jay R. Ashworth" <jra@baylink.com>
To: nanog list <nanog@merit.edu>
In-Reply-To: <A206819EF47CBE4F84B5CB4A303CEB7A5211D1@dul1wnexmb01.vcorp.ad.vrsn.com>; from "Hannigan, Martin" <hannigan@verisign.com> on Sun, May 01, 2005 at 10:56:57PM -0400
Errors-To: owner-nanog@merit.edu


On Sun, May 01, 2005 at 10:56:57PM -0400, Hannigan, Martin wrote:
> > The PBX intercepts the call and uses special trunks to the PSAP;
> > it also has to send data telling where the caller is.
> 
> There are no special trunks to the PSAP from a PBX.

Actually, Martin, there are.

For E-911 campus-type service, at least.

You apparently need to use either a PRI or a CAMA trunk to extend the
calling PBX extension number to the PSAP, so it can ALI the appropriate
location for the dispatcher.

See 

http://www.911etc.com/pbx_solutions.html
 as well as
http://www.xo.com/products/smallgrowing/voice/local/psali/

Cheers,
-- jra
-- 
Jay R. Ashworth                                                jra@baylink.com
Designer                          Baylink                             RFC 2100
Ashworth & Associates        The Things I Think                        '87 e24
St Petersburg FL USA      http://baylink.pitas.com             +1 727 647 1274

      If you can read this... thank a system administrator.  Or two.  --me

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