AASTRA 4222 Office for BusinessPhone User Guide EN - Manual (Page 11)

11 BusinessPhone – Dialog 4222 Office / Dialog 3211 & 3212
Description
12 Loudspeaker on/off
To switch the loudspeaker on or off. See section “ During Calls” on
page 34 .
13 Clear
To disconnect calls or to clear the display in programming.
14 Loudspeaker
15 Handset with hearing aid function
Please note: The handset may attract and retain small
metal objects in the earcap region.
16 Microphone