1608 IP Telephone End User Guide | 21 | Page
ringer
The device that produces the electronic ringing sound in your telephone.
stored number
A phone number that has been programmed and stored as a 1-, 2-, or 3-digit list item for use with Abbreviated Dialing. It can be a complete or partial phone
number, an extension number, or a trunk or feature code. Once programmed, a number can be accessed by first dialing the list, then the list item digit(s) under
which it is stored; if the number is stored on an AD xxxxx button, the number can be accessed by simply pressing that button.
switch
The device that makes connections for all voice and data calls for a network, and also contains software for features. Also known as a system, switching system,
or ECS (Enterprise Communications Server).
system list
One of the four types of Abbreviated Dialing lists; programmable only by the system manager. Contains phone numbers helpful to all system users, and stores
each of those numbers as a 2-digit list item.
system manager
The person responsible for specifying and managing the operation of features for all the voice and data equipment in your network.
trunk
A telecommunications channel between your switch and the local or long distance calling network. Trunks of the same kind connecting to the same end points
are assigned to the same trunk group.
trunk code
A dial code of 1, 2, or 3 digits that you dial to access a trunk group to place an outside call.
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