See also:

Incoming call
Receiving calls If the number of the caller is stored in the phone book and is transmitted by the network, the name of the contact is displayed. Otherwise, only the phone number is displayed. ...

The concept
The iDrive combines the functions of a multitude of switches. Thus, these functions can be operated from a central location. ...

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 ...