U.S. federal trademark · Serial No. 75014984 · Reg. No. 2131648
telephone network switching system comprising, as a unit, a telephone network tandem switch matrix, a host computer, computer software for operations, administration and maintenance tasks, service logic programs for creating call processing services, and a control workstation comprised of computer hardware, operating system software and computer peripherals; for use by telephone exchange and interexchange carriers, independent telephone companies, cable television and utility companies, private networks and international carriers
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