Instruction manual

ABBREVIATIONS AND ACRONYMS
LWC Leave Word Calling
M-Bus Memory Bus
MA-UUI Message Associated User-to-User Signaling
MBPS Megabits Per Second
MCC Multi-Carrier Cabinet
MCS Message Center Service
MDM Modular Data Module
MDR Message Detail Record
MET Multibutton Electronic Telephone
MIS Management Information System
MISCID Miscellaneous Identification
MMS Material Management Services
MOS Message Oriented Signaling
MS Message Server
MSA Message Service Adjunct
MPDM Modular Processor Data Module
MTDM Modular Trunk Data Module
MTP Maintenance Tape Processor
MTT Multi-Tasking Terminal
MWL Message Waiting Lamp
NAU Network Access Unit
NCOSS Network Control Operations Support Center
NCSO National Customer Support Organization
NFAS Non-Facility Associated Signaling
NID Network Inward Dialing
NPA Numbering Plan Area Code
NPE Network Processing Element
NQC Number of Queued Calls
NSE Night Service Extension
NSU Network Sharing Unit
NXX Public Network Office Code
OCM Outbound Call Management
OPS Off-Premises Station
OQT Oldest Queued Time
OSHA Occupational Safety and Health Act
OSS Operations Support System
PBX Private Branch Exchange
PC Personal Computer
PCOL Personal Central Office Line
PCOLG Personal Central Office Line Group
PCM Pulse Code Modulated
PCS Permanent Switched Calls
PDM Processor Data Module
PDS Premises Distribution System
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