The term “multi-line telephone system” or “MLTS” means a system comprised of common control units, telephone sets, control hardware and software and adjunct systems, including network and premises based systems, such as Centrex and VoIP, as well as PBX, Hybrid, and Key Telephone Systems (as classified by the Commission under part 68 of title 47, Code of Federal Regulations ), and includes systems owned or leased by governmental agencies and non-profit entities, as well as for profit businesses.


47 USC § 1471(2)

Scoping language

In this subchapter
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