File:Bell telephone magazine (1922) (14569484340).jpg

Identifier: belltvol20elephonemag00amerrich (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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Information trunks from the centraloffices served by an Information Bu-reau. Associated with each trunk isa lamp signal which lights wheneverthat trunk has been selected on a callfor Information, and the operatorselects the trunk on which she wishesto answer by manually operating an answering key which is provided foreach incoming trunk. This kind ofequipment is generally used in thesmaller Information Bureaus, wherethe volume of traffic does not requirethe use of large teams of operators.The trunks can be multipled to asmany positions as are needed to han-dle the traffic during the busiest periodof the day. When the volume of traffic is suchthat more trunks are required thancan be terminated on one position,two or more groups of positions anda corresponding number of teams ofoperators must be used. This, ineffect, divides up a large informationbureau into two or more small ones,and is not a desirable arrangement,particularly in the larger cities em- 158 Bell Telephone Magazine AUGUST
Text Appearing After Image:
RoTAHV Files in Use The upper tiers of (he files here pidured carry the alphabetical list and the lower tiers the street-address list ploying hundreds of Information op-erators, for it develops certain ineffi-ciencies in operating and tends toaffect adversely the speed of service.The introduction of call distributing,the second type of equipment devel-oped for use in the larger cities,remedied this situation. Call distributing equipment is ar-ranged to distribute calls to idle op- erators.* With this arrangement, in-coming trunks are not wired directlyto operators positions. Instead, eachtrunk is connected to a position-select-ing switch which performs the func-tion of associating an incoming call * Idle meaning in this instance simply op-erators who are not engaged at the moment inactually responding to inquiries and who aretherefore free to accept new ones. /P4f Providing the Information Service 159 with any one of a number of Informa-tion positions. Each switch is pro-vided with te

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