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Old 12.01.2012, 09:52
catandmouse catandmouse is offline
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Re: How can i stop the Cold Calling?

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If you are with Swisscom and these problem calls are from "Witheld" numbers i.e. no caller ID you can block them by doing the following.

Pick up the receiver.
Press the * key.
Enter the number 99.
Press the # key.
Wait for the activation confirmation.

See link for further details

The service as mentioned earlier also works.
The trouble with that is it also blocks calls from some numbers from abroad (for example, my parent's number in the UK is withheld) and also from most Swiss banks. I've had to undo the blocking.
For most cold callers I'll just babble in some made-up foreign language
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