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.