Terms you should know203Terms you should knowNortel Communication Server 1000 (CS 1000)Your office Private Branch Exchange system.DECTDigital Enhanced Cordless TelecommunicationsDirectory Number (DN)A number that consists of one to seven digits for a telephone.Also known as an extension number.Fixed keyThe hard-labelled keys on your telephone.Flexible Feature Code (FFC)Specialised codes entered using the dialpad that enable features(for example, Ring Again).Key lockA feature used to disable key input and prevent accidentaloperation.Long PressPress and hold a key for 2 seconds and then release it.MEM cardA removable memory card (storage device) for contacts,messages, call logs, and subscriptions.SIP DECTNortel VoIP DECT system that uses the SIP protocol to establishcalls.
