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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Glossary
Page GL-16
J
intercom buttons See
ICOM buttons.
interface Hardware and/or software that links systems, programs, or
devices.
intersystem calls In a
private network
, calls between a local extension and a
local or non-local dial plan
extension.
Intuity A set of integrated applications that provides voice mail, fax
messaging, automated attendant, call accounting, and
system programming.
Intuity
CONVERSANT
Voice response application that automatically answers and
routes calls and executes telephone transactions.
I/O device (input/output device) Equipment that can be attached to a
computer internally or externally for managing a computer
system’s input and output of information.
IROB protector (In-Range Out-of-Building protector) Surge-protection
device for off-premises telephones at a location within 1000
feet (305 m) of cable distance from the control unit.
IS II/III (Integrated Solution II or Integrated Solution III) Set of UNIX
System-based applications that augments and provides
additional services using the system. IS II and III are no
longer available.
ISDN (Integrated Services Digital Network) Public or private
network that provides end-to-end digital connectivity for all
services to which users have access by a limited set of
standard multipurpose user and
network
interfaces
;
provides digital circuit-switched or packet-switched
connections within the network and to other networks for
national and international digital connectivity.
ISDN 7500B Data
Module
Data communications device that allows connection
between an RS-232
DTE
device and the control unit by
MLX extension jacks on the 008 MLX or 408 GS/LS-MLX
module.
ISDN terminal
adapter
(Integrated Services Digital Network terminal adapter) A
device that connects the communications system with
data
terminal equipment (DTE)
.
ISDN terminal
adapter data
station
A type of data station that includes an ISDN terminal
adapter as its DCE. It may also include an MLX telephone
for simultaneous voice and data (ISDN terminal adapter
data-only station). These data stations connect to MLX
extension jack modules for digital transmission of data over
a DS1 facility.
jack Physical connection point to the system for a telephone,
line/trunk, or other device. Also called “port.”