File:Bell telephone magazine (1922) (14570274687).jpg

Identifier: belltelephonemag19amerrich (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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ds or thousands of telephonesthrough miles of wire and requiresthe services of dozens of attendantswho are as thoroughly trained as arethe operators in a telephone com-panys central office. Big P.B.X.switchboards, and all that goes withthem, whether manual or dial, are engineered and installed pretty muchon a custom tailored basis. r OR a detailed account of the manyfeatures of P.B.X. switchboards, andof all the kinds of service which maybe rendered through them, there is noroom here. But, since a P.B.X. isonly a means and not an end, somemention must be made of the ends itserves. It will—in simplest terms—connect a central-office line and anextension telephone for inward oroutward calls, and will connect oneextension telephone with another forinter-communication. But tie linesmay join P.B.X. switchboards onthe same premises, in different build-ings, or even in distant cities; spe-cial connections may be set up fornight service after the attendant 19^0 At the Customers Service 263
Text Appearing After Image:
A LARGE P.B.X. INSTALLATION Such a private branch exchange switchboard, with its staff of highly trained attendants, can handle thousands of calls a day has left; the switchboard may beequipped for conference service, sothat several people, both on and offthe premises, may take part simul-taneously in the same discussion. Ora big P.B.X. may reach a smallerP.B.X. which, in turn, serves a de-partment or group. Or it may con-nect with order receiving equipment. Urder receiving equipment is de-signed to do one particular job: toanswer large numbers of similar in-coming calls at a centralized location,and to do it quickly, smoothly, andto the satisfaction of customers. Asthe name indicates, it is used mainlyby department stores, taxicab com-panies, newspaper classified advertis-ing departments, public utilities, andother organizations with which thepublic places many orders which maybe handled by trained attendants. The equipment comes as a cabinetto be placed upon a table, and isdouble-si

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