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Redial button

Keypad

Speakerphone button

Video Mute button

Mute button

Headset button

Volume button

Redials a call.

Allows you to dial phone numbers, enter letters, and choose menu items (by entering the item

number).

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 a headset is connected, the Speakerphone button selects them as the default audio path.

Mutes the video from the phone screen during a video call. When Video Mute is on, the Video Mute

button is lit red.

Mutes the video from the phone screen during a video call. When Video Mute is on, the Video Mute

button is lit red.

Selects the 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).

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.