Cisco Systems 6921 manual OL-23813-01

8	Navigation bar and	The Navigation bar allows you to scroll through menus and highlight
	Select button	items. When phone is on-hook, displays phone numbers from your
		Placed Call listing (up arrow) or your speed dials (down arrow).
		The Select button (in the middle of the Navigation bar) allows you to
		select a highlighted item.
9	Headset button	Toggles the headset on or off. When the headset is on, the button
		is lit.
10	Speakerphone button	Toggles the speakerphone on or off. When the speakerphone is on,
		the button is lit.
11	Keypad	Allows you to dial phone numbers, enter letters, and select menu
		items (by entering the item number).
12	Mute button	Toggles the microphone on or off. When the microphone is muted,
		the button is lit.
13	Volume button	Controls the handset, headset, and speakerphone volume (off-hook)
		and the ringer volume (on-hook).

14	Messages button	Auto-dials your voice messaging system (varies by system).
15	Applications button	Opens/closes the Applications menu. Use it to access call history, user
		preferences, phone settings, and phone model information.
16	Contacts button	Opens/closes the Directories menu. Use it to access personal and
		corporate directories.

17Handset

Phone handset.

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