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 14
Comments on this document? infodev@avaya.com
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