OFFICE CLASSIFICATION


Meaning of OFFICE CLASSIFICATION in English

Prior to divestiture , numbers that were assigned to offices according to their hierarchical function in the U.S. public switched telephone network . Note 1: The following class numbers are used:

Class 1: Regional Center (RC)

Class 2: Sectional Center (SC)

Class 3: Primary Center (PC)

Class 4: Toll Center (TC) [Only if operators are present; otherwise Toll Point (TP)]

Class 5: End Office (EO) [Local central office ]

Note 2: Any one center handles traffic from one center to two or more centers lower in the hierarchy. Since divestiture , these designations have become less firm.

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.