RE: Vonage complains about VoIP-blocking

["Hannigan, Martin" <hannigan () verisign com>]

> -----Original Message-----
> From: owner-nanog () merit edu [mailto:owner-nanog () merit edu]On Behalf Of
> John Fraizer
> Sent: Tuesday, February 15, 2005 2:31 PM
> To: Samantha Fetter
> Cc: nanog () merit edu
> Subject: Re: Vonage complains about VoIP-blocking
>
>
>
>
>
> Samantha Fetter wrote:
> > Hi, just wanted to let you know that a friend recently got 
> Vonage, and 
> > they had to go through a special process to get 911 
> properly associated 
> > with her address so that it would work right.  I'm guessing 
> that means 
> > they have "REAL 911 access"?  I'm not familiar with that 
> all, so pardon 
> > my lack of technical terms :
> >
> > Cheers,
> > Samantha
>
> If they had to go through a "special" process, then no.  That would 
> indicate that Vonage still doesn't have PS/ALI, at least in 
> your friends 
> market.
>
> That "special" process is Vonage determining the "default" 
> PSAP in your 
> area and routing your 911 call to the 7-digit number for that PSAP. 
> With PS/ALI, Vonage wouldn't be doing the routing.  They 
> would hand the 
> call off to the 911 Selective Router which would THEN hand 
> the call off 
> to the appropriate PSAP based on a DIG to get your ALI information.

And with the current state of affairs, unless the head end can
determine proper call centers across boundaries (can't), it probably
never will. 


> For those of you unfamiliar with how E911 works, and specifically, 
> PS/ALI, take a look at: 
> http://www.xo.com/products/smallgrowing/voice/local/psali/
>
> Or... Simply google for "PS/ALI".

That's a TDM product.

http://www.e911institute.org/Roundtable%20and%20Tours/June%2024,%202004/VoIP
%20E911%20Issues.pdf

Page 9 offers a better description of the current E911 issues.
It's a software problem. All Vonage does is map your 911 call
at the PSAP to your local EMS.

This is a 6/24 doc. It's slightly outdated.


-M<


> John