IEEE - Institute of Electrical and Electronics Engineers, Inc. - Fundamental plans for toll telephone plant
|Author(s):||J. J. Pilliod|
|Publisher:||IEEE - Institute of Electrical and Electronics Engineers, Inc.|
|Publication Date:||1 September 1952|
|Page(s):||248 - 256|
THIS paper covers the general switching plan and fundamental plant layout proposed for handling telephone toll messages throughout the United States and Canada using automatic toll switching.