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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Glossary and Abbreviations
Page GL-33
MISCID
Miscellaneous identification
MMCS
Multimedia Call Server
MMCH
Multimedia call handling
MMI
Multimedia interface
MMS
Material Management Services
MO
Maintenance object
modem
A device that converts digital data signals to analog signals for transmission over telephone
circuits. The analog signals are converted back to the original digital data signals by another
modem at the other end of the circuit.
modem pooling
A capability that provides shared conversion resources (modems and data modules) for
cost-effective access to analog facilities by data terminals. When needed, modem pooling inserts
a conversion resource into the path of a data call. Modem pooling serves both outgoing and
incoming calls.
modular processor data module (MPDM)
A processor data module (PDM) that can be configured to provide several kinds of interfaces
(RS-232C, RS-449, and V.35) to customer-provided data terminal equipment (DTE). See also
processor data module (PDM)
.
modular trunk data module (MTDM)
A trunk data module that can be configured to provide several kinds of interfaces (RS-232,
RS-449, and V.35) to customer-provided data terminal equipment.
modulator-demodulator
See modem
.
monitored call
See active-notification call
.
MOS
Message-oriented signaling
MPDM
Modular processor data module
MS
Message server
ms
Millisecond
MS/T
Main satellite/tributary