[asterisk-users] Blocking 900 calls

[Richard Lyman]

Luki wrote:
>> Presently I have _all_ 900 calls blocked in Asterisk 1.25
>> but today I had to call a parts vendor at a 972 number.
>
> Blocking anything with 9XX isn't a good idea. There are lots of
> regular area codes in the 9XX block -- take a look:
> http://www.localcallingguide.com/lca_listnpa.php?section=9
>
> I *think* only the exact 1-900 prefix is a premium rate call.
>
> --Luki
http://en.wikipedia.org/wiki/Premium-rate_telephone_number