[Spce-user] Describing how NCOS works.

[Daniel Grotti]

Hi Dave,
NCOS level get checked after Inbound rewrite rules (for caller and for
callee).

Regards,
Daniel



On 02/10/2013 07:22 PM, Dave Massey wrote:
> If Im using a rewrite rule to add the 1 to all outgoing numbers that customers dial does the NCOS level get checked before or after the rewrite rule?
> Id hate to add every known north american area code :(
>
> On 2013-01-10, at 6:13 AM, Jon Bonilla (Manwe) <jbonilla at sipwise.com> wrote:
>
>> El Wed, 9 Jan 2013 21:03:30 -0500
>> Dave Massey <dave at optionsdsl.ca> escribió:
>>
>>> Could anyone briefly tell me better how the NCOS levels work?  For example I
>>> want to have a level that only allows dialling of the 1 country code, and
>>> another level that allows a much bigger list of callable countries., do I
>>> have to also add to this list all the feature codes, and other things? (Like
>>> I have a rewrite rule that changes 2000 to *98 because its familiar to this
>>> area), so I need *98 in that list too?  911, other things like that?
>>>
>>>
>> Well, NCOS levels work in a backlist or whitelist mode. If you use the mode
>> where you only allow 1* destinations to be reached it's fine. But yes, you'd
>> need to add other destinations like local ones. You can do it (if I'm not
>> wrong) on domain based. Any destination whatever at whatever.local is a local
>> destination so it's not hard to whitelist voicemail, vsc... etc. I think it's
>> described in the Handbook.
>>
>> Regarding emergency calls, these calls bypass ncos checks. the call detected as
>> emergency, because it has been rewritten to "emergency_*" won't be blocked by
>> ncos.
>>
>>
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