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DEFINITY® Enterprise Communications Server Release 7
Console Operations
555-230-700
Issue 4
June 1999
Glossary and Abbreviations
75
The communications system itself consists of a digital computer, software, storage device, and
carriers with special hardware to perform the connections. A communications system provides
voice and data communications services, including access to public and private networks, for
telephones and data terminals on a customer’s premises. See also
switch.
confirmation tone
A tone confirming that feature activation, deactivation, or cancellation has been accepted.
console
See
attendant console.
COR
See
Class of Restriction (COR).
COS
See
Class of Service (COS).
coverage call
A call that is automatically redirected from the called party’s extension to an alternate answering
position when certain coverage criteria are met.
D
Direct Extension Selection (DXS)
A feature on an attendant console that allows an attendant direct access to phones by pressing a
group-select button and a DXS button.
E
external call
A connection between a communications system user and a party on the public network or on
another communications system in a private network.
F
FAC
Feature Access Code
facility
A telecommunications transmission pathway and associated equipment.
feature
A specifically defined function or service provided by the system.
feature button
A labeled button on a telephone or attendant console used to access a specific feature.