Telephone exchange service.
Telephone exchange service. Telephone exchange service means:
(1) Service within a telephone exchange, or within a connected system of telephone exchanges within the same exchange area operated to furnish to subscribers intercommunicating service of the character ordinarily furnished by a single exchange, and which is covered by the exchange service charge, or
(B) Comparable service provided through a system of switches, transmission equipment, or other facilities (or combination thereof) by which a subscriber can originate and terminate a telecommunications service.
47 CFR § 64.2305
Terms used in this subpart have the following meanings: