[asterisk-biz] CraigsList PVA & VoIP

[Barton Fisher]

Call me curious, but I've read Craig's List won't PVA (Phone Verified 
Accounts) VoIP and certain CLEC DID's.
I'm wondering how they could know for sure the number was one of these. 
Quick search I find nothing that
might provide a reliable method for test a number before dialing it - 
any ideas?

Bart
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