Glossary - Siemens 300 Series User Manual

Glossary

A
access code. A preassigned number that a user dials to access a trunk or a
system feature.
account number. A preassigned number that a user dials to assign the call
to a specific project, department, or client account. The CBX system
administrator can then use the Call Detail Recording (CDR) feature at the
CBX to charge the call to the appropriate party.
C
call setup. The process of placing a call, or any activity on a line, prior to
the CBX completing a connection to another party.
CBX (Computerized Branch Exchange). CBX is a trademark of Siemens
Rolm Communications Inc. It refers to Siemens Rolm's computerized
switching system, which provides telephone and data communications
between internal telephones, and between internal telephones and external
telephone networks. In general, a business switching system is referred to
as a Private Branch Exchange (PBX).
(CDR) Call Detail Recording. A system feature that records call data such
as the starting time of the call, elapsed time, digits dialed, trunk used,
account code, and the date of the call. Call Detail Recording is available for
outgoing calls from internal telephones.
Class of Service (COS). The assignment at the CBX that determines the
group of features and trunk access available to a phone.
communication (com) group. A department or common work group
whose members can dial each other by using fewer digits than a full
extension number.
configuration. A specific hardware and software arrangement that
determines the functional characteristics and operation of a CBX or
telephone.
Glossary G–1