NEC 2400, Integration Manual

Page: 155 / 168

Glossary
Issue 2 December 1995
GL-15
modular
A term that describes equipment made of plug-in units that can be added together to make the
system larger, improve its capabilities, or expand its size.
modular processor data module (MPDM).
A data device that converts RS-232C or RS-449 protocol signals to digital communications proto-
col (DCP) used by System 75/85, Generic1, and Generic 3 switches. MPDMs may connect INTU-
ITY to a switch DCIU or SCI link or connect terminals to a switch port card.
MPDM
See modular processor data module.
MWI
See message-waiting indicator.
N
networking
See
INTUITY AUDIX Digital Networking.
networking prefix
A set of digits that identifies an INTUITY machine.
not deliverable message
A voice mail message that could not be delivered after a specified number of attempts. This usu-
ally means that the subscriber’s mailbox is full.
O
on-line help
An INTUITY feature that provides information about INTUITY user interface screens by pressing a
predetermined key. See also
help.
operating system (OS)
The set of programs that runs the hardware and interprets software commands.
option
A choice selected from a menu, or an argument used in a command line to modify program out-
put by modifying the execution of a command. When you do not specify any options, the com-
mand will execute according to its default options.
OS
See operating system.
outcalling
An INTUITY feature that allows the system to dial subscribers’ numbers to inform them they have
new messages.
outgoing mailbox
A storage area for subscribers to keep copies of messages for future reference or action.