See also:

Calls with multiple parties
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 ...

New remote controls
You can obtain new remote controls from your service center. ...

Adjusting the volume
Adjusting the volume Turn the knob during an announcement. ▷ The volume remains constant even if the volume of other audio sources is changed. ▷ The volume is stored for the remote ...