HTC NETWORK SOLUTIONS LIMITED
Telecommunications Technical Terms Index
Caller I.D. = Caller identification. Incoming caller's phone number is displayed
C.L.I. = Calling Line Identity. Telephone number is displayed on outgoing calls
CCU = Central Control Unit
Dialing (Pulse) = Dialing mode used on older exchanges and telephone systems
Dialing (Tone) = Dialing mode used on modern exchanges and telephone systems
Earth Recall = Older method of transfering calls using recall button
ELR = Earth Recall = Older method of transfering calls using recall button
Handsfree = Telephone with built in microphone and speaker
H/F = Handsfree. Telephone with built in microphone and speaker
Key Terminal = Designated telephone to be used on a particular telephone system
Keyphone = Designated telephone to be used on a particular telephone system
LD Dialing = Pulse dialing used on older exchanges and telephone systems
L.C.D. = Liquid Crystal Display. Screen on a telephone.
L.J.U. = Line Jack Unit. Telephone socket.
Liquid Crystal Display = Screen on a telephone.
Loop Disconnect = Pulse dialing used on older exchanges and telephone systems
MF Dialing = Tone dialing used on modern exchanges and telephone systems
Multi Frequency Dialing = Tone dialing used on modern exchanges and telephone systems
M.O.H = Music On Hold
O.H.D = On Hook Dailing enables telephone to dial number without lifting handset.
On Hook Dailing = Enables telephone to dial a number without lifting handset.
Plan Set (BT Systems) = Designated telephone to be used on a particular telephone system
POT (Plain Ordinary Telephone) = Ordinary telephone
Proprietary Telephone = Designated telephone to be used on a particular telephone system
Pulse Dialing = Dialing mode used on older exchanges and telephone systems
Single Line Telephone (SLT) = Ordinary telephone
T.B.R. = Time Break Recall. Method of transfering calls used on more modern systems
Test Jack Frame = Connection box or frame used for telephone system's cabling
Time Break Recall = Method of transfering calls used on more modern systems
T.J.F. = Test Jack Frame. Connection box or frame used for telephone system's cabling
Tone Dialing = Dialing mode used on modern exchanges and telephone systems
Index of telephone systems by name and manufacturer