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Encyclopedia > Party line (telephony)

In older telephone systems, a party line (also multiparty line or Shared Service Line) is an arrangement in which two or more customers are connected directly to the same local loop. Prior to World War II in the United States, party lines were the primary way residential subscribers acquired local phone service. With party line service, it was usually necessary to complete a long distance call through the operator to identify and correctly bill the calling party. The telephone or phone is a telecommunications device which is used to transmit and receive sound (most commonly voice and speech) across distance. ... In telecommunications, the local loop is the wiring between the central office (telephone exchange in British English) and the customers premises demarcation point. ... A telephone operator at work on a private switchboard A telephone operator is either a person who provides assistance to a telephone caller, usually in the placing of operator assisted telephone calls such as calls from a pay phone, collect calls (called reversed-charge calls in the UK), calls which...


When the party line is already in use, if any of the other subscribers to that line pick up the phone, they can hear and participate in the conversation. Originally, in order to distinguish one line subscriber from another, operators developed different rings for the subscribers so that if the call was for the first subscriber to the line, the ring would follow one pattern, if the call was for the second subscriber, the ring would sound another way, and so on. Frequently ringing phones were an annoyance, so later equipment at an individual subscriber's location could distinguish the different ringing signals so that only the desired party's phone would actually ring. In this arrangement the only inconvenience of a party line was occasionally finding the line in use (by hearing talking) when one picked up the phone to make a call. If one of the parties used the phone heavily then the inconvenience for the others was more than occasional.


The completely non-private party lines were a cultural fixture of rural areas for many decades, and were frequently used as a source of entertainment and gossip, as well as a means of quickly alerting entire neighbourhoods in case of emergencies such as fires. fatty and this si a bad page it sucks!!:p Neighborly gossips in the Altstadt in Sindelfingen, Germany Gossip consists of casual or idle talk of any sort, sometimes (but not always) slanderous and/or devoted to discussing others. ...


Party lines remain primarily in rural areas where local loops are long and private loops uneconomical when spread sparsely over a large area. Privacy is limited and congestion often occurs. In isolated communities, party lines have been used without any direct connection to the outside world. Rural area in Dalarna, Sweden Qichun, a rural town in Hubei province, China Rural areas (also referred to as the country, countryside) are sparsely settled places away from the influence of large cities. ... how would you feel if teh govenment could watch you while you were on the toilet? Its getting really bad adn the politicians dont understnad that there are other ways! If you can do something about th eintrusion, do it . ... Congestion is a state of excessive accumulation or overfilling or overcrowding. ...


Party Lines are not suitable for Internet access. If one customer is using dial up, it will jam the line for every customer and they cannot be used with ADSL. Asymmetric Digital Subscriber Line (ADSL) is a form of DSL, a data communications technology that enables faster data transmission over copper telephone lines than a conventional modem can provide. ...

Contents

Railways

Party lines used to be common on railways, where numerous telephones were connected to a single pair of wires. Usually a long ring of many turns of the handle would alert the exchange that a connection was required to another destination. The problem of selective calling was also solved by a mechanical device which could selectively ring one or a group of stations.


Party Lines Still In Existence

One example of a community linked by party line is Adams' Pack Station, high in the mountains above Los Angeles. Big Santa Anita Canyon, near Sierra Madre, CA, has 81 rustic cabins, a group camp and a pack station that all communicate by magneto-type crank phones. One ring is for the pack station, two rings for the camp and three rings means all cabins pick up.[1]


References

  1. ^ http://www.adamspackstation.com/

Sources

  • Atlanta Telephone History


 

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