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LIST OF TERMS
Abbr. NEC
Description
NEC
Abbr. PBC
Description / Remarks
PBC
(Trunk) Route Restriction Class TRFC Traffic Class
AIMWorX SMDR & CTI based management platform
Authorization Code PID code
Background music (feature) When phone is idle, user can have
background music on speaker
Boss/Secretary dialing Executive/Secretary
Broker's call Shuttle : alternate between 2 parties
occupying one line
Busy in/busy out - ACD Group - Absent/Present switching
Class of Service Facility Class Mark (sometimes traffic class)
Coin lines
Consecutive Speed Dialing Common number can be speed dial,
individual choice dialed manually
Consultation hold Enquiry
Development table Analysis tree : table within numbering plan
Dial conversion Conversion from pulse to DTMF
Dynamic Dial Pad Pressing numeric keys grabs a line as well.
Executive calling VIP status assigned to a station.
Ground Start Earth calling : analog trunk protocol
Hearing Aid Compatibility Voice volume control on terminals
Home side trunk User side
trunk For ISDN trunks
Legacy TDM based equipment (non IP)
Location number Division based on capabilities or priorities in
the IP system
Loop Start Subscriber signalling e.g. an ATU-SS
Mate side trunk Network
side trunk For ISDN trunks
MATWorX Operational Maintenance interface tool
Multi line terminal SOPHO Set / ErgoLine : digital terminal with
soft key assignment possible
Multiple Call Forwarding Multi hop (maximum 5 hops allowed)
My Line Users own station number.
Nailed down connection (data) Fixed connection between two data
adapters.
Night Connection - fixed PLE Permanent Line Extension
Night connection - fixed Permanent Line Extension
Night Connection - flexible CF on night extension
Office Code CLID Cluster Identity used for Open Numbering
Plans
One touch key Dterm keys, work (and programmed) like
speed dial function
OpenWorX CTI Application platform
Operator PSTN operator / provider
Party lines
Peer to peer Peer to peer : one to one relation on
functional level
Pilot number Group number
Preset dialing En-block dialing : prepare number and send
it in one go (versus overlap dialing)
Prime Line Seized line (trunk line or extension) when
going off-hook (or speaker)
Restriction Class TRFC Traffic Class
Route Advance Alternative routing when trunk(s) busy
Route Pattern Tree : part of the number analysis table
Save and Repeat LNR Last Number Redial
Secondary appearance park position / sub line
