User guide

Description
BusinessPhone – Dialog 4224 Operator / Dialog 32148
13 Mute
To switch the microphone on or off. See section “During Calls” on
page 37.
14 Loudspeaker on/off
To switch the loudspeaker on or off. See section “During Calls” on
page 37.
15 Headset key
See section “Headset - Dialog 4224 Operator” on page 105.
16 Answer/Extend / Enter
a. To answer/extend calls. See sections “Incoming Calls” on
page 21, “Outgoing Calls” on page 23, “Call Metering” on
page 47, “Group Features” on page 78 and “Other Useful
Features” on page 88.
b. To enter/select information. See sections “Attendance” on
page 19 and “Messages” on page 64.
17 Volume control
To adjust the volume. Also space/backspace in writing mode. See
sections “Settings” on page 95 and “Write Text” on page 94.
18 Microphone
19 Optional key panel
17 Dual-Function programmable keys per key panel.
Four panels can be connected.
Note: Use only optional key panels of type DBY 419 01.
20 Loudspeaker
21 Handset with hearing aid function
Please note: The handset may attract and retain small
metal objects in the earcap region.
Dialog4224En.book Page 8 Wednesday, April 2, 2003 3:19 AM