About: PSTN network topology

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PSTN network topology is the switching network topology of a telephone network connected to the public switched telephone network (PSTN). In the United States and Canada, the Bell System network topology was the switching system hierarchy implemented and operated from c. 1930 to the 1980s for the purpose of integrating the diverse array of local telephone companies and telephone numbering plans to achieve nationwide Direct Distance Dialing (DDD) by telephone subscribers. It was the precursor of the world-wide interconnected public switched telephone network (PSTN) and originated in the efforts of the General Toll Switching Plan that by 1929 formulated the technical infrastructure and the operating principles for connecting long-distance telephone calls in North America.

Attributes	Values
rdfs:label	PSTN network topology (en)
rdfs:comment	PSTN network topology is the switching network topology of a telephone network connected to the public switched telephone network (PSTN). In the United States and Canada, the Bell System network topology was the switching system hierarchy implemented and operated from c. 1930 to the 1980s for the purpose of integrating the diverse array of local telephone companies and telephone numbering plans to achieve nationwide Direct Distance Dialing (DDD) by telephone subscribers. It was the precursor of the world-wide interconnected public switched telephone network (PSTN) and originated in the efforts of the General Toll Switching Plan that by 1929 formulated the technical infrastructure and the operating principles for connecting long-distance telephone calls in North America. (en)
foaf:depiction
dcterms:subject	Telephony
Wikipage page ID	26656098 (xsd:integer)
Wikipage revision ID	1115174255 (xsd:integer)
Link from a Wikipage to another Wikipage	Canadian Prairies Quebec Rockdale County, Georgia SaskTel Bedminster, NJ Bell Canada Bell System Bell System divestiture Birmingham Denver, CO United States Network topology North American Numbering Plan Conyers, Georgia General Toll Switching Plan General Post Office Glasgow Pittsburgh, PA Liverpool Local Exchange Carrier London Manchester St Louis, MO Dallas, TX Point of presence Strowger switch Telephone numbering plan British Telecom Wayne, PA Class 4 telephone switch Class 5 telephone switch Local access and transport area Edinburgh Northern Ireland Norway, Illinois Dial tone Telephone exchange AT&T Long Lines Telecommunications in France Atlantic Canada Telephony Channel Islands KCOM Group Sacramento, CA Direct Distance Dialing Portsmouth INSEE Interexchange carrier Kingston upon Hull New York City Ontario Public switched telephone network Subscriber trunk dialling Telephone company White Plains, NY San Bernardino, CA American Telephone & Telegraph IDDD Regina, SK AT&T divestiture Montréal, PQ
sameAs	PSTN network topology PSTN network topology PSTN network topology
dbp:wikiPageUsesTemplate	dbt:Citation_needed dbt:Main dbt:More_citations_needed dbt:Reflist dbt:Telecommunications dbt:When
thumbnail	wiki-commons:Special:FilePath/PSTN_office_classification_hierarchy.png?width=300
has abstract	PSTN network topology is the switching network topology of a telephone network connected to the public switched telephone network (PSTN). In the United States and Canada, the Bell System network topology was the switching system hierarchy implemented and operated from c. 1930 to the 1980s for the purpose of integrating the diverse array of local telephone companies and telephone numbering plans to achieve nationwide Direct Distance Dialing (DDD) by telephone subscribers. It was the precursor of the world-wide interconnected public switched telephone network (PSTN) and originated in the efforts of the General Toll Switching Plan that by 1929 formulated the technical infrastructure and the operating principles for connecting long-distance telephone calls in North America. The ideas were first developed in the Bell System in the United States, but were soon adopted by other countries where telephone companies were facing similar issues, even when servicing smaller geographic areas. The system in the United Kingdom implemented by the General Post Office resulted in fewer switching levels than in the Bell System. (en)
gold:hypernym	Topology
prov:wasDerivedFrom	wikipedia-en:PSTN_network_topology?oldid=1115174255&ns=0
page length (characters) of wiki page	23227 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:PSTN_network_topology
is Link from a Wikipage to another Wikipage of	Class-3 telephone switch Class-4 telephone switch Class-5 telephone switch Routing in the PSTN Bell System network topology
is Wikipage redirect of	Class-3 telephone switch Bell System network topology
is foaf:primaryTopic of	wikipedia-en:PSTN_network_topology

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