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Abbr. NEC
Description
NEC
Abbr. PBC
Description / Remarks
PBC
DBM Commands Manual - AP00 card
DCH D-Channel Handler
DD key Do not Disturb Key
DDD Direct Distance Dialing
DDI Direct Digital interface T1/E1 interface to public network
DDOVR Do not Disturb Override
DeskCon Desk Console SV SuperVisor / Operator Console
DID calls Direct Inward Dialing calls DDI Direct dialing in : not for FX and WATS
trunk (USA only)
DISA Direct Inward System Access Remote access to system
DIT DID trunk / Direct Inward Termination PLE Permanent Line Extension(s) : for limited
direct inward dialing: 1/more trunk(s) related
to 1 station
DLC Digital Line Circuit For Dterm, Attendant and Desk Console.
DM Distributed Module
DMS Distributed Module Small
DNIS Dialed number Identification Service
DOD Direct Outward Dialing DDO Direct Dialing Out : setting up external calls
without attendant assistance
DP (Rotary) Dial Pulse Pulse dialing
DPC Data Port Controller
DPC Destination Point Code Kind of Cluster ID; for terminating office
DRS Device Registration Server Compare with Gatekeeper function:
registering endpoints
DS Differential Services (DiffServ)
DSS/BLF Direct Station Select / Busy Lamp
Field
DSW Device Server WorX For Dterm assistant software
DT Dial Tone
DTE Data Terminal Equipment
Dterm Digital (or IP) terminal Dterm Desktop Telephone (analog or digital)
DTG Digital Tone Generator
DTI Digital Trunk Interface
FAC Forced Account Code
FCC Federal Communications
Commission
American regulation office
FD Floppy Disk
FDA Forwarded - All calls
FDB Forwarded - Busy
FDN Forwarded - No answer
FG Frame Ground
FGD Feature Group D format Signalling format for ANI.
FLF Free Location Facility OIA related, Desksharing look-a-like.
NOT available for IPS 2000
FP Firmware Processor Compare with PMC
FX Foreign Exchange Specific part of PSTN; US only
HDT Hold Tone
HWT howler tone Alarm tone
ICH ISDN channel handler
ICI Incoming Call Identification
ICM Intercom
IEC International Electro-technical
Commission
ILC ISDN line card
IP Internet Protocol IP Internet Protocol
IPM Indications per minute For flashing lamps / LEDs
IPS Internet Protocol Server
IPT IP trunk
IPX Internet Protocol eXchange
IVS Integrated Voice Server
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