Northern Telecom DISPCALL DMS-100 Series User Manual page 84

6-2 List of terms
Call Processing
The software system that handles the processes involved in setting up
connections through the DMS-100 Family network between calling and
called parties.
Call Processing Agency
A subsystem of software containing the code and data relating to a specific
set of call processing features, and representing a number of Call Processing
Agents with similar functions.
Call Processing Agent
(1) An originator or receiver of a call in the system. (2) A member of a call
processing agency uniquely identified by a CPID.
Call Processing Utility
A subsystem of software containing the code and data for executing those
call processing functions that are similar for all calls in the system.
Call Processing Identifier (CPID)
Uniquely identifies a call processing agent. The CPID consists of two parts
a) a call processing selector, which is a number that identifies a particular
call processing agency b) an agent identifier that identifies a specific agent
within the agency.
CCB
Call Condense Block
CDB
Call Data Block
CHB
Call Header Block
CI
Command Interpreter
Command Interpreter (CI)
A support operating system component that functions as the main interface
between machine and user. Its principal roles are:
1 to read lines entered by a terminal user
2 to break each line into recognizable units
3 to analyze the units
4 to recognize command input-numbers on the input lines
5 to invoke these commands.
TAM-1001-003 Standard 3.01 July 1992