[Spce-user] Block International Calls from Subscribers with US numbers

Andreas Granig agranig at sipwise.com
Sat Aug 9 07:57:50 EDT 2014


NCOS use regular expressions, so you can create a blacklist and put ^011
there to block anything starting with 011. However, note that the ncos
check is done after incoming rewriting, so if you have rewrite rules in
place rewriting your 011, make sure to put the format into NCOS which
you expect after running through rewrite rules.


On 08/08/2014 09:36 PM, Jeremie Chism wrote:
> I have some subscribers with US telephone numbers that I would like to
> block calls to 011+ numbers.  I tried to use the NCOS with 011*  and it
> was blocking other numbers that had 011 elsewhere in the number.  Is
> there a definite way with either NCOS or rewrite rules that I can
> prevent International calls from being sent to a peer from my US based
> customers.
> Thanks
> -- 
> Jeremie Chism
> Triton Communications
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