North American Network Operators Group
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RE: FCC To Require 911 for VoIP

  • From: Hannigan, Martin
  • Date: Sun May 01 22:57:57 2005 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]On Behalf Of
> David Lesher
> Sent: Sunday, May 01, 2005 8:58 PM
> To: nanog list
> Subject: Re: FCC To Require 911 for VoIP
> 
> 
> 
> Speaking on Deep Background, the Press Secretary whispered:
> > 
> > 
> > 
> > 
> > When somebody in the office picks up a phone and dials 
> EXTERNAL-911 how
> > do the emergancy services know they are in one building 
> rather than another
> > office across town?
> 
> 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.

What Sean appears to be saying is he recommendeds getting a POTS line
as a backup to a ds1 for 911, but it's a tad-bit more complicated than
that and involves equipment types and tarriffs of CLECs vs. ILECs in 
router determination.

I agree with him on that mostly, but there's more to think about. SMB's
are not that sophisticated, are cost sensitive, and typically don't
have the equipment to handle that as well, or, the expertise.

YMMV.


-M<