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  2. Party line (telephony) - Wikipedia

    en.wikipedia.org/wiki/Party_line_(telephony)

    A party line (multiparty line, shared service line, party wire) is a local loop telephone circuit that is shared by multiple telephone service subscribers. [ 1 ] [ 2 ] [ 3 ] Party line systems were widely used to provide telephone service, starting with the first commercial switchboards in 1878. [ 4 ]

  3. Chat line - Wikipedia

    en.wikipedia.org/wiki/Chat_line

    A chat line is a service that allows people to meet and talk with others via telephone call. When multiple people can join the call, they are also called party lines . However, more recent [ when? ] chat lines are similar to CB radio in which a number of people both listen and speak together.

  4. Telephone call - Wikipedia

    en.wikipedia.org/wiki/Telephone_call

    The call may use land line, mobile phone, satellite phone or any combination thereof. When a telephone call has more than one called party it is referred to as a conference call. When two or more users of the network are sharing the same physical line, it is called a party line or Rural phone line. U.S. President Gerald Ford on the phone

  5. Called party - Wikipedia

    en.wikipedia.org/wiki/Called_party

    The called party (in some contexts called the "B-Number") is a person who (or device that) answers a telephone call. The person who (or device that) initiates a telephone call is the calling party. [1] In some situations, the called party may number more than one. Such an instance is known as a conference call. In some systems, only one called ...

  6. Telephone exchange - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange

    The party line letters W, R, J, and M were only used in manual exchanges with jack-per-line party lines. Montreal telephone exchange ( c. 1895 ) In contrast to the listing format MAin 1234 for an automated office with two capital letters, a manual office, having listings such as Hillside 834 or East 23, was recognizable by the format in which ...

  7. Intercom - Wikipedia

    en.wikipedia.org/wiki/Intercom

    Door station: Like substations, door stations are only capable of initiating a call to a master station. They are typically weather-proof. Intercom station: A full-featured remote unit that is capable of initiating and receiving party-line conversation, individual conversations, and signalling. May be rack-mounted, wall-mounted or portable.

  8. 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 ...

  9. Party line - Wikipedia

    en.wikipedia.org/wiki/Party_line

    Party line or Party Line may refer to: Party line (politics) , the agenda of a political party Party line (telephony) , a system where multiple telephone customers are connected to the same phone line