AASTRA 4222 Office for BusinessPhone User Guide EN - Manual (Page 20)

Incoming Calls
BusinessPhone – Dialog 4222 Office / Dialog 3211 & 3212 20
Answer a second call
You are on the phone, when a muted ringing signal and a Line key
flashes to indicate a new incoming call:
Line 2
Ц Ф
Press the flashing Line key.
The first call is put on hold.
To switch back to the first call:
Line 1
Ц Ф
Press the first Line key.
The second call is put on hold. You are connected to the first caller. í
Press if you want to terminate the ongoing call.
Silent ringing
This function is useful if you do not want to be disturbed by the
ringing of the telephone.
Dialog 4222 Office / Dialog 3212 Standard:
Incoming calls will only be indicated on the display and by the
flashing Line key.
Dialog 3211 Economyplus:
Incoming calls will only be indicated by the flashing Line key.
Note: For the Dialog 3212 Standard this function requires
the release number R7B or higher; for the Dialog 3211
Economy plus this function requires the release number
R6B or higher, see the underside of your telephone.
In idle mode: É
Press to mute the ringer for incoming calls.