Title :
Special positions for person-to-person, collect, and credit card calls
Author_Institution :
New York Telephone Company, New York, N. Y.
Abstract :
The constantly growing telephone toll traffic results in a corresponding growth in switchboard position requirements. Facilities and circuits introduced to alleviate this situation are discussed.
Keywords :
Buildings; Business; Central office; Credit cards; Delay; Standards; Switches;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1960.6432867
