Message/Inbox This is a fixed key on your IP Deskphone that connects to your Call
Inbox.
Multiple
Appearance
Directory Number
(MADN)
When multiple phones are configured with a MADN Single Call
Appearance (SCA), they appear as a single Directory Number (DN).
Mute This is a fixed key used to listen to a call without transmitting.
Navigation keys These are keys used to scroll through menus and lists that appear on the
LCD display screen.
Off-Hook The term off-hook is applied when (a) the user lifts up the handset, (b)
the user
presses a line key, (c) the call is automatically answered at the
telephone, or (d) a line is automatically selected for an outgoing call.
Parked Call This is an active call you park on the server or to another user that can
be retrieved from another phone.
Presence This is a feature that you can use to set a presence state to be displayed
to other users.
Quit key This is a fixed key you use to exit an active menu.
Ringback/ring
tone
This is a sound indicating that a call you make is ringing at its
destination.
Session Initiation
Protocol (SIP)
Session Initiation Protocol is an telephony signaling protocol for initiating
interactive communication sessions between users.
SIP Address This is an IP address that is assigned to a user, such as
bob@ABC123.com that is used to send instant messages (IMs) and to
initiate calls.
Soft keys, context-
sensitive
This is a set of four programmed keys directly beneath the display area.
You use these keys to access and select menu items. The key names
change depending on the state of the display screen.
Speed Dial A user-defined feature key that you press to dial a pre-programmed SIP
address or telephone number.
Speed Dial
Avaya 1230 IP Deskphone with SIP Software User Guide November 2013 241