Installation, maintenance and servicing of voice and data systems of others

Telecommunication systems for transmitting and receiving data and voice signals over physical lines or wireless communication networks, namely, wireless telephones and parts therefore, wireless local loop circuits, computer hardware multiplexers, line terminals, central office terminals, air traffic controllers, ATM concentrators, remote port controllers, radio ports, wireless subscriber base stations, and software for telecommunications applications; wireless telephones

computer programs for providing various communications functions; namely, facsimile, terminal emulation, file transfer, printer sharing and disc sharing

COMPUTER SOFTWARE PROGRAM FOR USING TELEPHONY APPLICATIONS WITH COMPUTERS, AND INSTRUCTION MANUALS SOLD AS A UNIT