40 OL-19963-01
 
5
Navigation pad and 
Select button
The four-way Navigation pad allows you to scroll through menus, 
highlight items, and move within a text input field.
The Select button (center of the Navigation pad) allows you to select a 
highlighted item, disable the phone screen for cleaning, or enable the 
phone screen if it is in power-save mode.
The Select button is lit (white) when the phone is in power-save mode.
6
Conference button Creates a conference call.
7
Hold button Places a connected call on hold.
8
Transfer button Transfers a call.
9
Key pad Allows you to dial phone numbers, enter letters, and choose menu 
items (by entering the item number).
10
Speakerphone button Selects the speakerphone as the default audio path and initiates a new 
call, picks up an incoming call, or ends a call. During a call, the button 
is lit green. 
The speakerphone audio path does not change until a new default 
audio path is selected (for example, by picking up the handset).
If external speakers are connected, the Speakerphone button selects 
them as the default audio path.
11
Mute button Toggles the microphone on or off during a call. When the microphone 
is muted, the button is lit red.
12
Headset button Selects the wired or wireless headset as the default audio path and 
initiates a new call, picks up an incoming call, or ends a call. During a 
call, the button is lit green. 
A headset icon   in the phone screen header line indicates the 
headset is the default audio path. This audio path does not change until 
a new default audio path is selected (for example, by picking up the 
handset).
13
Volume button Controls the handset, headset, and speakerphone volume (off-hook) 
and the ringer volume (on-hook).
Silences the ringer on the phone if an incoming call is ringing.
14
Messages button Auto-dials your voicemail system (varies by system).