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You can make a call without sending your own number (caller identification). Follow these instructions to activate or deactivate your own caller identification.
Find "Caller ID"
Press the Menu key.
Press Call settings.
Press Caller ID.
Activate or deactivate
Press Hide my number or Show my number.
Please note: it is only possible to hide your caller identification for voice calls. When you send text messages, your phone number is always displayed.
Press Disconnect to return to standby mode.