Condition responsive indicating system for interactively indicat
Configurable DSL modem for high bit rates
Configurable multi-port modem to achieve a high bit rate in...
Configurable telephone line distribution modules for...
Connected apparatus detection system
Connecting and communication system and means for a telephone st
Construction of large, robust, monolithic and monolithic...
Content distribution system and method
Content reproduction device
Content reproduction device
Control and monitoring telecommunication system and method...
Control and surveillance system for prepayment public telephone
Control apparatus for an automated telephone attendant
Control device for a facsimile apparatus
Control of electronic information delivery
Controller for managing data communication with a host computer
Convergence of circuit-switched voice and packet-based media...
Coordinated multiple telephone station system
Coordinated multiple telephone station system
Coordinated transfer of voice and information through a digital