Identifier: belltelephone6667mag00amerrich (find matches)
Title: Bell telephone magazine
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company American Telephone and Telegraph Company. Information Dept
Subjects: Telephone
Publisher: (New York, American Telephone and Telegraph Co., etc.)
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

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serving the nation Speculation about whos calling whomfrom the White House is always popularon the Washington cocktail party circuit,but the really important telephone newsin the capital is the governments greatlyincreased use of switched service com-munications. In the past, the militaryand civilian branches of gove-nment re-lied solely on point-to-point hookupswhich were designed to serve one purposeor one agency or department. Now, twolarge common-user networks developedby the Bell System and patterned afterthe public Direct Distance Dialing net-work are working for the government,knitting together vast numbers of civilianand Armed Forces personnel. Some point-to-point government cir-cuits are still in use, of course, and itis often these highly specialized channelswhich present the greatest challenge tocommunications technology. For ex-ample, top priority defense lines arenecessary to warn of an enemy attackand to signal the retaliation; space flightcircuits have to link orbiting

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