DeWalt SBX IP 320 manual Phone Buttons and Features, Msg Led

Using the Basics			3-3
			Chapter 3: Using the 8-Button Digital Phone
		Phone Buttons and Features
	Feature		Used to...
1	Headphone Jack	speak to a caller when using a headset instead of
			holding the handset.
2		Handset	answer or place an internal or external call.
3		LCD Display	display phone status information, dialing directories,
			and test message information.
4		Speaker	hear the other party during a call without using the
			handset or headset (hands-free mode).
5		MSG LED	indicate new voice mail messages are waiting.
6		Pre-Programmed/	access external line calls, pre-assigned features, or
		Flexible Buttons (8)	user defined feature code assignments.
			Note: These include Flex Button 1: DND and Flex
			Button 2: CALL BACK.
7		TRANS/PGM Button	set up a conference call or transfer a call. It is also
			used to access User Programming features.
8		SPEED Button	access speed dialing, saved number redial, and last
			number redial. Button is also used to access flexible
			button programming.
9		Microphone (MIC)	used to speak to a caller when in speaker mode.
10		VOLUME Button	decrease (-) or increase (+) the volume of the speaker
			or handset while on a call. This button is also used to
			scroll up and down in the User Programming menus.
11		HOLD/SAVE Button	put a call on hold or save the current User
			Programming setting.
12		SPEAKER Button	toggle between speaker (or headset) mode and hand-
			set mode. You can also use this button to exit any
			menu screen.
			Note: The button is red when speakerphone
			is active.
13		Dialpad	dial phone numbers and make entries on the display.

SBX IP 320 Phone User Guide