Avaya 1230 User Manual page 310

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 IMs and to initiate calls.
Context-sensitive soft keys
This is a set of four programmed keys directly beneath the
display area. You use these keys to access and select menu
items.
Speed Dial
A user-defined feature key that you press to dial a
preprogrammed SIP address or telephone number.
User interface
This consists of screen displays that interact with the end user as
a result of an action or event.
User Profile
Your User Profile that contains your specific settings and data
saved and available when you log on to the IP Deskphone.
Visual Alerter/Message Waiting indicator
This is an LCD or an LED signal that flashes to indicate that a
message is waiting or when the ringer is on.
Terms you should know
310