TELLABS

Class [9]
Computer & Software Products & Electrical & Scientific Products

Telephone-related signaling and transmission products including digital systems products, data communication products, and voice transmission products, such digital systems products comprising digital cross-connects, voice transcoders, Tl channel service units, and digital echo cancellers; such data communication products comprising packet switches, statistical multiplexers, network monitoring software and systems composed of computers, computer peripherals, and computer programs, and Tl networking multiplexers and nodal switches; such voice transmission products comprising line amplifiers and repeaters, remote-align data station termination and network channel termination modules, distributive data bridging modules, signaling and signaling conversation modules, power and ringing supplies, conferencing/altering modules, selective signaling and teleconferencing modules, metal and plastic mounting shelves, apparatus cases, and prewired assemblies.