Meridian Nortel 1 Option 11C Technical Reference Manual page 533

DLI Digital Line Interface
DN Directory Number
DND Do Not Disturb
DOD Direct Outward Dialing
DPNSS Digital Private Network Signalling System
DS Data Service
DTE Data Terminal equipment
DTI Digital trunk Interface
DTMF Dual Tone Multi Frequency
DTN Digitone
DTR Digitone Receiver
EAM E&M 2 Wire
EBLF Enhanced Busy Lamp Field
EDD LD 43 data dump command to write the customer data in DRAM to the
Primary and Backup flash drives on the NTDK20 SSC card
EFD External Flexible DN
EFTC Enhanced Flexible Tones and Cadences
EHOT
Enhanced Hot Line
EHT External Hunt DN
EM4 E&M 4 Wire
EMI
Electromagnetic Interference
ESDI Enhanced Serial Data Interface
ESN Electronic Switched Network
EX4 4 Wire Duplex
FCA Forced Charge Account
FCBQ Flexible Call Back Queuing
FCC Federal Communications Commission
FFC Flexible Feature Code
FTC Flexible Tones and Cadences
FX Foreign Exchange
Option 11C and 11C Mini
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Technical Reference Guide