Navigation

Information:
Close more information

Meta navigation

  • Your shopping basket
    There are no products in the basket
    Monthly (CHF)
    One-off (CHF)
    Total (incl. VAT)
  • 🔎

    Global search

    Often searched

Mobile guides

    
Change device

Apple iPhone 5

Back to Calls & contacts

Make a call with hidden caller identification

You can make a call with hidden caller identification, your number will then not be shown at the receiving end. You can also deactivate caller identification for all calls.

Step 1 of 3

Press Phone.

Step 2 of 3

Press Keypad.
Key in #31# followed by the number you want to call.

Step 3 of 3

Example: #31#123456789
Press Call.

1. Make a call with hidden caller identification

Press Phone.
Press Keypad.
Key in #31# followed by the number you want to call.
Example: #31#123456789
Press Call.