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  2. List of telephony terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telephony_terminology

    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 - (or callee or B-party) Caller; Calling party; Conference call (multi ...

  3. Call forwarding - Wikipedia

    en.wikipedia.org/wiki/Call_forwarding

    Call forwarding, or call diversion, is a telephony feature of all telephone switching systems which redirects a telephone call to another destination, which may be, for example, a mobile or another telephone number where the desired called party is available. Call forwarding was invented by Ernest J. Bonanno.

  4. Automatic call distributor - Wikipedia

    en.wikipedia.org/wiki/Automatic_call_distributor

    An automated call distribution system, commonly known as automatic call distributor or automatic call dispatcher (ACD), is a telephony device that answers and distributes incoming calls to a specific group of terminals or agents within an organization. ACDs direct calls based on parameters that may include the caller's telephone number, the ...

  5. Telephone call - Wikipedia

    en.wikipedia.org/wiki/Telephone_call

    A telephone call or telephone conversation (or telcon [1] [a]), also known as a phone call or voice call (or simply a call), is a connection over a telephone network between the called party and the calling party. Telephone calls started in the late 19th century, initially relying on analog systems.

  6. Call waiting - Wikipedia

    en.wikipedia.org/wiki/Call_waiting

    Call waiting is a telephone service where a subscriber can accept a second incoming telephone call by placing an in-progress call on hold—and may also switch between calls. With some providers it can be combined with additional features such as conferencing, call forwarding, and caller ID. Call waiting is intended to alleviate the need to ...

  7. Call processing - Wikipedia

    en.wikipedia.org/wiki/Call_processing

    The sequence of operations performed by a switching system from the acceptance of an incoming call through the final disposition of the call. [1] See call control for a more complete description. The series of steps and processes by which an organization automates the handling of telephone calls (usually incoming calls).

  8. Hook flash - Wikipedia

    en.wikipedia.org/wiki/Hook_flash

    Call Waiting: R1 — Answers incoming call & terminates current call. R2 — Answers current call & allows the user to toggle between calls. R3 — Establishes a 3-party conference. R0 — Rejects incoming call and temporarily disables call waiting. Pressing the R button during a call usually places the call on hold and returns a dial tone.

  9. Line hunting - Wikipedia

    en.wikipedia.org/wiki/Line_hunting

    If a call is delivered to line 1, the next call goes to 2, the next to 3. The succession throughout each of the lines continues even if one of the previous lines becomes free. When the end of the hunt group is reached, the hunting starts over at the first line.