User Guides & Helpful Links
GLOSSARY OF TELEPHONY TERMS
Analog
The term comes from the word "analogous" which means "similar to".
This means that the transmitted signal remains unchanged, or not
digitized, as it passes through an electronic system. An analog
communication system is one in which the signal is transmitted and
received in its original form. In telecommunications, the voice spoken
into the handset is converted into an electrical signal (sine wave). That
signal remains unchanged as it passes from telephone to telephone
(internal call) or telephone to CO (outside call).
Digital
The term used to describe the conversion of information into a binary
code. A digital communication system is one where the signal is
encoded into a digital bit stream. In telecommunications, the voice
spoken into the handset is converted either in the telephone or the
control unit into a series of pulses, which represent the audio level and
frequency.
Hybrid
A Hybrid key system can use single line telephones (SLT) in addition to
an electronic proprietary telephone.
Digital Super Hybrid
A Digital Super Hybrid key system can use single line telephones (SLT) in
addition to an electronic proprietary telephone. In addition it may
contain features found only on a digital system.
DSL
Digital Subscriber Line: Acronym for Digital Subscriber Line or Digital
Subscriber Loop, often referred to as xDSL. It refers to several new digital
technologies for fast two-way data connections over ordinary telephone
lines.
Universal Ports
Universal Ports can accept a standard phone, an analog proprietary
phone, or a digital proprietary phone.
HFAB
Hands Free Answer Back. Allows a speakerphone user to talk to an
internal caller without lifting the handset. Also used to monitor a room.
SLT
Single Line Telephone. A standard telephone.
Apits
Analog Proprietary Integrated Telephone System. Apits usually refers to
an analog 7000 series telephone.
Dpits
Digital Proprietary Integrated Telephone System. Dpits usually refers to a
digital 7200 series telephone.
Control Unit
This is the heart of the telephone system. This unit is usually installed in
the telephone room or ventilated closet. It contains the Central
Processing Unit.
DISA
Direct System Access. This feature allows callers from the outside to
access specific system features as if they were an internal extension user.
CO Lines
Central Office Telephone Line.
T1
Two pairs of copper wire that carry data at a rate of 1.544Mbps. T1 lines
are used to carry 24 DS-0 signals. They can be used to carry 24 phone
lines
ISP
Internet Service Provider
PBX
Private Branch Exchange. This is a small version of the phone company's
larger switching system.
XDP
eXtra Device Port. The XDP expands the number of telephones available
in the system by allowing a Digital Proprietary Phone (Dpits) and a Single
Line Telephone (SLT) to be connected to the same telephone jack but
having different extension numbers.
FWD/DND
Forward/Do Not Disturb. Allows users to forward their phones to other
extensions on the system, voice mail or an outside line. Do Not Disturb is
used to block calls from coming into a users extension.
LCD
Liquid Crystal Display-Display on Telephone
OHCA
Off Hook Call Announce (OHCA) allows a user to inform a busy extension
that another call is waiting by talking through the built-in speaker of the
called party's proprietary extension.
CFBNA
Call Forward Busy No Answer allows calls to a telephone to forward to
another telephone, Voice Mail, etc...
VoIP
Voice over Internet Protocol, also called VoIP, IP Telephony, Internet
telephony, Broadband telephony, Broadband Phone and Voice over
Broadband is the routing of voice conversations over the Internet or
through any other IP-based network
Analog
The term comes from the word "analogous" which means "similar to".
This means that the transmitted signal remains unchanged, or not
digitized, as it passes through an electronic system. An analog
communication system is one in which the signal is transmitted and
received in its original form. In telecommunications, the voice spoken
into the handset is converted into an electrical signal (sine wave). That
signal remains unchanged as it passes from telephone to telephone
(internal call) or telephone to CO (outside call).
Digital
The term used to describe the conversion of information into a binary
code. A digital communication system is one where the signal is
encoded into a digital bit stream. In telecommunications, the voice
spoken into the handset is converted either in the telephone or the
control unit into a series of pulses, which represent the audio level and
frequency.
Hybrid
A Hybrid key system can use single line telephones (SLT) in addition to
an electronic proprietary telephone.
Digital Super Hybrid
A Digital Super Hybrid key system can use single line telephones (SLT) in
addition to an electronic proprietary telephone. In addition it may
contain features found only on a digital system.
DSL
Digital Subscriber Line: Acronym for Digital Subscriber Line or Digital
Subscriber Loop, often referred to as xDSL. It refers to several new digital
technologies for fast two-way data connections over ordinary telephone
lines.
Universal Ports
Universal Ports can accept a standard phone, an analog proprietary
phone, or a digital proprietary phone.
HFAB
Hands Free Answer Back. Allows a speakerphone user to talk to an
internal caller without lifting the handset. Also used to monitor a room.
SLT
Single Line Telephone. A standard telephone.
Apits
Analog Proprietary Integrated Telephone System. Apits usually refers to
an analog 7000 series telephone.
Dpits
Digital Proprietary Integrated Telephone System. Dpits usually refers to a
digital 7200 series telephone.
Control Unit
This is the heart of the telephone system. This unit is usually installed in
the telephone room or ventilated closet. It contains the Central
Processing Unit.
DISA
Direct System Access. This feature allows callers from the outside to
access specific system features as if they were an internal extension user.
CO Lines
Central Office Telephone Line.
T1
Two pairs of copper wire that carry data at a rate of 1.544Mbps. T1 lines
are used to carry 24 DS-0 signals. They can be used to carry 24 phone
lines
ISP
Internet Service Provider
PBX
Private Branch Exchange. This is a small version of the phone company's
larger switching system.
XDP
eXtra Device Port. The XDP expands the number of telephones available
in the system by allowing a Digital Proprietary Phone (Dpits) and a Single
Line Telephone (SLT) to be connected to the same telephone jack but
having different extension numbers.
FWD/DND
Forward/Do Not Disturb. Allows users to forward their phones to other
extensions on the system, voice mail or an outside line. Do Not Disturb is
used to block calls from coming into a users extension.
LCD
Liquid Crystal Display-Display on Telephone
OHCA
Off Hook Call Announce (OHCA) allows a user to inform a busy extension
that another call is waiting by talking through the built-in speaker of the
called party's proprietary extension.
CFBNA
Call Forward Busy No Answer allows calls to a telephone to forward to
another telephone, Voice Mail, etc...
VoIP
Voice over Internet Protocol, also called VoIP, IP Telephony, Internet
telephony, Broadband telephony, Broadband Phone and Voice over
Broadband is the routing of voice conversations over the Internet or
through any other IP-based network
Panasonic KX-TDA50 Digital
Hybrid IP PBX Telephone User
Guide Link
Panasonic KX-TDA100/200
Digital Hybrid IP PBX
Telephone User Guide Link
Hybrid IP PBX Telephone User
Guide Link
Panasonic KX-TDA100/200
Digital Hybrid IP PBX
Telephone User Guide Link
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