[asterisk-users] A method to determine PSTN Call Provider?

[Alex Balashov]

Bart:

Please contact me off-list.  I seem to get a "security rejection" from 
your mail server when I tried to e-mail you.

-- Alex

Barton Fisher wrote:

> I'm looking for a solution to determine if a PSTN call to a zaptel 
> channel was originated from a VoIP provider or not in real time.
> I'd like to use the callerid(num) to reverse match to the provider.
> Does anyone have a clue how I could do this?
>  
> TIA Bart
> 
> 
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-- 
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
Mobile : (+1) (678) 237-1775