Cisco Systems CP9951CCAMK9 manual OL-19963-01

6	Navigation pad and	The four-way Navigation pad allows you to scroll through menus,
	Select button	highlight items, and move within a text input field.
		The Select button (center of the Navigation pad) allows you to select a
		highlighted item.
		The Select button is lit (white) when the phone is in power-save mode.
7	Conference button	Creates a conference call.
8	Hold button	Places a connected call on hold.
9	Transfer button	Transfers a call.
10	Keypad	Allows you to dial phone numbers, enter letters, and choose menu
		items (by entering the item number).
11	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.
12	Mute button	Toggles the microphone on or off during a call. When the microphone
		is muted, the button is lit red.
13	Headset button	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).
14	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.
15	Messages button	Auto-dials your voicemail system (varies by system).

8 OL-19963-01