Title :
Fundamentals of the automatic telephone message accounting system
Author_Institution :
Bell Telephone Laboratories, Inc., New York, N. Y.
Keywords :
Analytical models; Cities and towns; Contacts; Laboratories; Relays; Switches; Switching circuits; Switching systems; Telecommunication traffic; Telephony;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1950.5060148
