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List of telephony terminology

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This is a List of telephony terminology and acronyms which relate to telephony networks.

Contents

A

  • Advanced Intelligent Network, (AIN), see also IN or Intelligent Network
  • Automated Attendant
  • ACD - Automatic call distributor

    • B

  • Blue box - a device that was used to bypass the normal long distance call switching tones typically used to obtain free calls.

    • C

  • call originator - (or calling party, caller or A-party) a person or device that initiates a telephone call by dialling a telephone number.
  • call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece.
  • called party
  • Caller
  • calling party
  • conference call (multi-party call)
  • COCOT

    • D

  • Dial peer
  • Dial tone
  • Distribution frame

    • E

  • emergency telephone number
  • end instrument
  • Engset calculation
  • Erlang unit

    • F

  • fax - (contraction of facsimile) a device connected to the telephone network to enable documents to be scanned and sent to a receiving fax machine
  • frame - A distribution frame, a set of open wiring racks where circuits are cross connected to trunks and equipment

    • H

  • Handoff
  • Handover
  • help desk
  • Hunt Group

    • I

  • infrastructure
  • Intelligent Network (IN)
  • inside plant
  • Intelligent Network Interface Device (iNID) - replaces the Network Interface Device outside a subscriber's house like when customers subscribe to AT&T's U-verse brand of services.
  • interactive voice response (IVR)
  • ISDN User Part (ISUP)

    • L

  • line
  • local loop
  • long-distance operator

    • O

  • On-premises wiring
  • Operator assistance
  • Outside plant

    • P

  • Person-to-person
  • Plain old telephone service, or "POTS"
  • Public Switched Telephone Network (PSTN)
  • Pupinization

    • R

  • red telephone box
  • Red box
  • Regional Bell Operating Company (RBOC)
  • ringer equivalency number (REN)
  • Ringing signal
  • rural radio service

    • S

  • Smartphone
  • station-to-station
  • Signalling System 7 (SS7)

    • T

  • Tandem switch
  • Transaction Capabilities Application Part (TCAP)
  • telemarketing
  • telephone
  • telephone booth
  • telephone call
  • telephone card
  • telephone directory
  • telephone exchange
  • telephone tapping
  • Teletraffic engineering
  • Time Division Multiplexing (TDM)
  • trap and trace
  • TWX

    • V

  • vertical service code
  • voicemail
  • Voice over Internet Protocol (VoIP)

    • W

  • Western Union
  • Wide Area Telephone Service (WATS)
  • WATS line
  • wireless network
  • Wireless Telephony Applications Interface (wtai)
  • Wi-Fi

    • Z

  • Zenith number

    • References

    List of telephony terminology Wikipedia
    (Text) CC BY-SA


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