Communications system utilizing frequency division...
Communications system utilizing frequency division...
Communications system, double connection trap circuit
Communications terminal equipment
Communications traffic management arrangement
Communications webs with personal communications links for...
Commutateur temporel
Compact design of 1xn fiber-optic switch using leman prism...
Compact high-capacity switch
Compensation for mobile assisted handoff measurement...
Completing telecommunications calls in a competitive local...
Completing telecommunications calls in a competitive local...
Completion of calls to a preferred agent in an automatic...
Completion of intelligent network telephone calls
Computer control systems
Computer controlled automatic response system
Computer controlled broadband wireless system
Computer controlled key telephone station set
Computer controlled paging and telephone communication...
Computer having associative search apparatus