[asterisk-users] Can I roll my own E911?

[Alex Balashov]

Alex Balashov wrote:

> Adam Moffett wrote:
> 
>> Assuming I only operate in one municipality (I do), and assuming I 
>> made some sort of connection to the emergency services center in this 
>> area, via SIP or a T1 or whatever
> 
> PSAPs won't do VoIP.  In fact, they won't do anything like PRI;  for the 
> most part, T1s to PSAPs are some type of E&M / FGB / FGD.
> 
> I am also not sure that you can actually get an access circuit to a 
> PSAP.  It may be that the only way to reach one is through 911 TCICs in 
> an SS7 interconnection IMT.  Of course, all these E911 companies have to 
> be able to dump calls into PSAPs somehow, but they probably ride the 
> services of some nationwide CLEC in order to do it.

Also, even if you could pull this off, I don't see how rolling your own 
E911 services (and associated reliability issues) could possibly be cost 
-effective compared to using one of the E911 companies.

-- 
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : (+1) (678) 954-0670
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