Voice and data telephone transmission equipment, namely: subscriber carrier units; voice and data terminals; automatic line transfer units; span terminators; signal repeaters; multiplexers; line tests and pulse code modulation units; digital communication transmission terminals for transmission between a central office and subscriber terminal.
Voice and data telephone transmission equipment, namely: subscriber carrier units; voice and data terminals; automatic line transfer units; span terminators; signal repeaters; multiplexers; line tests and pulse code modulation units; digital communication transmission terminals for transmission between a central office and subscriber terminal.
