Reference Number Feature Feature Description
6
Navigation keys / Select key Scroll through information or options 
d
isplayed on the phone’s screen or select a 
field of displayed data.
7
Home key Display the Home screen from other 
screens or display the Lines and Calls 
screen from the Home screen.
8
Hold key Hold an active call or resume a held call.
9
Forward/Transfer key Forward or transfer an active call to a 
selected contact.
10
Volume keys Adjust the volume of the handset, headset, 
speaker, and ringer.
11
Dialpad Enter numbers, letters, and special 
characters. Use the dialpad keys to select 
menu items that have index numbers.
12
Messages key Access and manage instant and voice 
messages.
13
Headset key Place and receive calls through a headset.
14
Speakerphone key Provides ringer and speakerphone audio 
output.
15
Mute key Mute or unmute the microphone during an 
active call.
23