Polycom 1500 manual Muting the Microphone on

		Getting Started with Your Phone
	Feature	Description
5	Mute key	Mutes audio transmission locally
		during calls and conferences. The
		button glows red when activated. See
		Muting the Microphone on page 2-40.
6	Video Key	Controls the size, position, and
		transmission of video images. See
		Handling Video Calls on page 3-3.
7	Redial Key	Dials the most recently dialed party.
		See Redialing Numbers on page
		3-15.
8	Transfer Key	Transfers the current call to another
		party. See Transferring Calls on page
		3-25.
9	Conference Key	Allows connection with another party
		for a conference. See Hosting
		Conference Calls on page 3-18.
10	Hold Key	Holds an active call or resumes a
		held call. See Placing Calls on Hold
		on page 3-16.
11	DND Key	Cancels ringing and directs incoming
		calls to your voice/video mail (if
		supported). The button glows red
		when activated. See Enabling Do Not
		Disturb on page 3-33.
12	Headset Key	Allows you to place and receive calls
		through an optionally connected
		headset. The button glows green
		when headset mode is selected. See
		Placing Calls on page 3-6,Answering
		Calls on page 3-12, and Ending Calls
		on page 3-15.
13	Speakerphone Key	Allows for hands-free communication
		during calls. The button glows green
		when speakerphone mode is
		selected. See Placing Calls on page
		3-6,Answering Calls on page 3-12,
		and Ending Calls on page 3-15.
14	App Key	Allows you to access special
		applications using the Launch Pad.
		For more information, see Using the
		Launch Pad on page 4-30.

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