Callout number
Name
Button Icon
Description
1
Earpiece speaker
-
2
Soft keys
Can be pre-programmed or
used with the GUI.
3
Off hook key
Used for:
4
Voicemail access
N/A
Gives a quick access to the
handset Voicemail. This is a
system dependent feature.
5
Key lock, and Upper and
Lower case
N/A
Used for:
• Locking the keypad in
combination with the soft key
Lock
.
• Switching between upper or
lower case and digits.
6
Space
N/A
Adds space between text.
7
Microphone
-
8
Sound off key
N/A
Used to:
• Turning on or off audible
signals in an idle mode.
• Silencing the ring signal at
incoming call.
• Turning the microphone on
or off during a call.
9
Tactile indicators
N/A
Indicates the centre of the key
pad.
10
On hook and On/Off key
Used as a combined button:
• To end a call
• To return to the standby
mode
• To switch the handset on or
off by long press
11
Four-way navigation key
Navigation key with Left, Right,
Up, and Down.
During a call, the keys Up and
Down are used to increase
and decrease the speaker
volume, respectively.
12
Color display
N/A
The color display is a 1.77 inch
TFT with backlighting.
Table continues…
3730 DECT handset physical layout
July 2017
Using 3730 DECT Handsets with Communication Manager and IP Office
11
