AASTRA 4220 Lite for BusinessPhone User Guide EN - Manual (Page 65)

65 BusinessPhone – Dialog 4220 Lite / Dialog 3210
Group Features
Group Features
When you are working together in a team the following Group
features can be very useful. You can page your colleagues, give
them telephone attendance or pick-up their incoming calls.
Key system
With this function, all (or selected) external lines are represented by
pre-programmed keys on all phones. For each external line, a
Function key has to be programmed. Which means that you are
able to monitor the state of traffic for every programmed external
line (e.g. free, busy). You can also establish an external call by
pressing the External Line key.
Answer an external call
To answer an external call, just press the flashing key. (Depending
on the programming of the system, an incoming external call will be
announced with a flashing Line key and a ringing signal.) u
Lift the handset.
External Line
Ц Ф
Press (pre-programmed).
Speech connection with the caller.