"Basic service" means the provision to a customer of telephone service that provides access to the public switched telephone network, which includes a single-party access line or trunk, dial tone, touch tone, local usage, expanded local calling where available, access to emergency 911 service, and single-line directory listing. Basic service includes services provided through an alternative technology, as that term is defined in subsection 5 of NRS 704.68881.
Nev. Admin. Code § 704.0055
NRS 703.025, 704.210