This function is intend for use with Avaya M-Series and T-Series phones only. When pressed, the button invokes the same conference process as dialing Feature 3.
Details
Action: Advanced | Call | Conference.
Action Data: None.
Default Label: Conf or Conference Add.
Toggles: No.
Status Indication: No.
User Admin: No.
Phone Support: Note that support for particular phone models is also dependent on the system software level.