Benjamin,

Rather than rejecting all non-whitelist calls you might play a short message 
telling the caller to press a digit (0, 1, etc.) to talk with a person, repeat 
the message after 15 seconds and hangup after 30... allow the call if the 
correct key is depressed.

I have used this technique for many years and any real person seems to figure 
it out, and all call center types are rejected since a human is not dialing the 
calls.  Works quite well.

Lonnie


On Oct 12, 2015, at 9:56 PM, Michael Knill <michael.kn...@ipcsolutions.com.au> 
wrote:

> Should be easy.
> 
> Set up a hangup rule in the dial plan which writes a whitelist number in the 
> database after a successful call and blacklist everything!
> 
> Regards
> Michael Knill
> 
> 
> 
> On 13 Oct 2015, at 1:18 pm, Benjamin L. Naber <benja...@project23d.com> wrote:
> 
> MagicJack has a feature, that I wasn't aware of until yesterday.
> 
> I am not sure if the customer has to pay for this service feature or if 
> it is included to reduce magicjacks system load.
> 
> Not sure what to call it, so I am going to describe what it does:
> 
> I called my daughter's friend's parents, who just got a magic jack. 
> After one ring, the male voice said, "this number is not accepting calls 
> to which the called party hasn't dialed their on their magicjack."
> 
> I made contact with them otherwise, my daughter's friends parents called 
> me from their magicjack phone, and now I am able to call them.
> 
> 
> So I am going to assume this is a black/white list feature. All incoming 
> calls are not accepted unless the magic jack user dials the number, 
> guessing that dialed number is put on a incoming call white list.
> 
> I want this. Tele-whatever**%$## are spoofing their numbers, so adding 
> spoofed or real tele-whatever numbers to the PBX Blacklist after they 
> call, is no longer effective.
> 
> ~Benjamin


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