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DECT Phone
You can withhold your number for a single call using the call code *31# then the number you want to call. Your caller ID will then be blocked for that call.
Example - Enter *31#01706902000 to block your caller ID when calling the telephone number 01706 902 000.
If you want to permanently withhold your number for all calls you can do this by making a couple of quick changes within your FRITZ!Box Interface;
Note: You can also find these steps on our "How To" YouTube Video