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36 Preface
P0993133 03
DIMM Dual in-line memory module
DLCI Data link connection indentifier
DN Directory number
DNS Domain name server
DPNSS Digital private network signalling system
DRT Delayed ring transfer to prime
DSM Digital station media bay module
DTM Digital Trunk media bay module
DTMF Dual tone multifrequency.
FEM Fiber expansion media bay module
HTTP Hypertext transfer protocol
Hz Hertz
I/C Intercom
IP Internet protocol
ISDN Integrated services digital network
Kbyte Kilobyte
LAN Local area network
MCDN Meridian customer-defined network protocol
MHz Megahertz
MSC Media services card
NIC Network interface card
OPX Off premises extension
PBX Private branch exchange
PCI Peripheral component interconnect
PEC III Processor expansion card, version III
PRI Primary rate interface
PSTN Public switched telephone network
QoS Quality of service
QSIG Q reference point signalling
RAM Random access memory
ROM Read only memory
SAPS Station auxiliary power supply
TAPI Telephony application program interface
TCP/IP Transmission control protocol/internet protocol
UTAM UTAM Inc.
VoIP Voice over IP
WAN Wide area network