Abstract
Thirteen features characterize the experimental 100-line electronic PABX (private automatic branch exchange), developed at Automatic Electric Laboratories, Inc., Northlake, Ill., a subsidiary of General Telephone & Electronics, Inc. Primarily, the development aims were to gain design and operating experience with electronic switching telephone systems and to test trunking to and from a Strowger step-by-step central office.
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More From: Transactions of the American Institute of Electrical Engineers, Part I: Communication and Electronics
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