Terms you should know
Network Address
IP address. Uniquely identifies a device on the network. Used for routing information to that device.
Any line selected to make a call or receive a call. The term off- hook is applied whether (a) the end user lifts up the handset, (b) the end user presses a line key, (c) the call is automatically answered at the IP Deskphone, or (d) a line is automatically selected for an outgoing call.
Paging tone
A special tone (two beeps followed by dial tone) that sounds when you use the Radio Paging feature.
Provides power over the network cable that is also used for data communications.
Registrar
See SIP registrar
Ringback/ring tone
A sound indicating that a call you have made is ringing at its destination.
Services key
A fixed key used to access options such as Telephone Options, Password Admin, Virtual Office Login, Virtual Office Logout, Test Local Mode, and Resume Normal Mode.
Shared Directory Number
A DN (extension) that is shared by two or more persons.