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M3900 Series Telephones Description, Installation and Administration
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List of Acronyms
ACD
Automatic Call Distribution
ACM
Accessory Connection Module
ATA
Analogue Terminal Adapter
COS
Class of Service
CCOS
Controlled Class of Service
CPM
Call Progress Monitor
CPND
Calling Party Name Display
DBA
Display-Based Accessory (Configuration prompt for Display-based
Expansion Module)
DLC
Digital Line Card
DN
Directory Number
Summary of Contents for M3900 series
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Page 84: ...Page 84 of 86 Environmental and safety considerations 553 3001 216 Standard 4 00 April 2000...
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