That's right.  Check out www.west.com

So, your town will hire someone to put the systems in the 911 center and that 
might be a company like West or say you are a local network provider doing VOIP 
you could hire west to put in a gateway for you.  State and local governments 
can hire them to maintain the databases behind all of this.   You dump all of 
your 911 calls to their gateway (which also has access to your customer address 
data) and they will handle all of the routing out of their centers for you.  
They also provide recording keeping an recording services if you want.  Often 
the first choice from your site to West's datacenters is VOIP over Internet, 
they often then have backup landline routes and any other kind of redundancy 
you want to pay for.  Putting in multiple datacenters and having multiple 
Internet feeds you can easily outperform the reliability of the traditional 
POTS infrastructure.   This industry really took off when the CLEC/wireless 
industry launched to avoid creating a bunch of duplicative expensive 
infrastructure to meet the public safety regulations.  Better to have a few 
giants like West take on the liability and build a nice infrastructure anyone 
can use than to roll you own and have to keep up with the changing technology.  
This kind of technology also allows smaller municipalities to get better more 
advanced systems by purchasing them as a service rather than a one time monster 
budget hit that traditional 911 centers used to be.

One more great thing about doing this is that the network becomes much more 
flexible and calls can be routed around failed centers or center that may 
themselves be in the middle of a disaster.  

Disclaimer:  I don't make anything from West just know of their services and 
roll in the industry.  There are others that might be as good or better.

Steven Naslund

>Yes.
>
>Look for NENA (National Emergency Number Association).
>
>20+ years ago, 911 routing required telco connections in each LATA. Some
>legacy (e.g. copper) still uses LATA-based 911 routing, but a lot of 911 
>routing (i.e. cell, voip, next-gen voice, etc) has been consolidated to a few 
>service providers' data centers connected via IP.
>
>NextGeneration 911 will be essentially 100% IP.
>
>Cost, efficiency, etc.


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