Siemens 300Series 사용자 설명서

 Glossary

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 system administrator can 
then use the Call Detail Recording (CDR) feature at the communications 
server to charge the call to the appropriate party.

call setup. The process of placing a call, or any activity on a line, prior to the 
communications server completing a connection to another party.

(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 communications server 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.

communications server. The Siemens Communications Server is a 
computerized system that provides telephone and data communications 
between internal telephones, and between internal telephones and external 
telephone networks. 

configuration. A specific hardware and software arrangement that determines 
the functional characteristics and operation of a communications server or 
telephone.

digital phone. A telephone that uses digital signals to communicate with a 
business telephone system.

digital signal. The representation of data by discrete values as binary digits (in 
contrast to analog, which is continuous).