Find "In-call Settings"
Press Connect.
Press the Menu key.
Press Options.
Press In-call Settings.
Activate or deactivate
Press Restrict My Identity.
Please note: it is only possible to hide your caller identification for voice calls. When you send text messages, the number is shown to the recipient whether caller identification is activated or deactivated.
Press Always, Never or Network Determined.
Please note: it is only possible to hide your caller identification for voice calls. When you send text messages, the number is shown to the recipient whether caller identification is activated or deactivated.
Save and exit
Press the Menu key.
Press Save.
Press Disconnect to return to standby mode.