DocumentCode
1295986
Title
Common control for an electronic private branch exchange
Author
Seley, E.L. ; Vigliante, F.S.
Author_Institution
Bell Telephone Laboratories, Inc., Holmdel, N. J.
Volume
83
Issue
73
fYear
1964
fDate
7/1/1964 12:00:00 AM
Firstpage
321
Lastpage
329
Abstract
IN THE BELL System´s No. 101 Electronic Switching System (ESS), also known as the electronic private branch exchange (PBX), a single centrally located unit has been designed to control the operation of a maximum of 32 remotely located switch units.1,2 The control unit will be located at a central office, while the switch units each will be located in a different PBX customer´s office. A particular switch unit may serve up to 200 lines, while the control unit may accommodate up to 3,200 lines.
fLanguage
English
Journal_Title
Communication and Electronics, IEEE Transactions on
Publisher
ieee
ISSN
0536-1532
Type
jour
DOI
10.1109/TCOME.1964.6541231
Filename
6541231
Link To Document