Making a call with hidden caller identification
Turning caller identification on my mobile phone on or off
Setting an alarm on my mobile phone
Choosing network mode for my mobile phone
Copying contacts between my SIM and my mobile phone
You can make a call with hidden caller identification, your number will then not be shown at the receiving end. You can also turn off your own caller identification for all calls.
Make a call with hidden caller identification
Tap the phone icon.
Key in #31# followed by the number you want to call.
Tap anywhere to dismiss
Share this article via email! Just fill in these details and the characters in the box.
Fields marked with * are mandatory.