See also:

Calls with multiple participants
General information You can switch between calls or connect two calls to a single conference call. These functions must be supported by the mobile phone and service provider. Accepting a call ...

My contacts
General information List of all contacts. ...

Switching on/off
1. "Settings" 2. "Head-up display" 3. "Head-up display" Switch the Head-up Display ON/OFF as required. ...