Callout
number
Name
Button Icon
Description
5
Mute and PTT
button
N/A
• Turning on or off audible signals in an
idle mode.
• Muting the ring signal for an incoming
call.
• Turning the microphone on or off
during a call.
6
Soft keys
Can be pre-programmed or used with the
GUI.
7
Off hook key
Used for:
• Answering a call.
• Pre-dialling a number.
• Creating a shortcut to the
Call list
.
8
Five-way navigation
key
Used to step in the menu and carry out
various functions.
A navigation key with the Left, Right, Up,
Down, and Confirmation (in the middle)
keys. These keys, except the middle key,
can also be programmed for shortcuts.
9
Voicemail access
N/A
Gives a quick access to the handset
Voicemail. This is a system dependent
feature.
10
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.
11
Microphone
-
12
Space
N/A
Adds space between text.
13
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.
14
Tactile indicators
N/A
Indicates the centre of the key pad.
Table continues…
Avaya 3735 DECT handset overview
August 2019
Using 3735 DECT handsets with Communication Manager and IP Office
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