Natural language classification within an automated response...
Negotiated routing in telephony systems
Network access pay telephone, conversion, and method
Network based predictive dialing
Network based voice mail system with tollsaver feature
Network based voice mail with call screening
Network call trace
Network charging
Network combining wired and non-wired segments
Network control of telephony services using downloadable...
Network controlled classification of service tariff class
Network distribution system
Network for telephony and data communication
Network for telephony and data communication
Network interface device
Network interface device
Network interface device, apparatus, and methods
Network interface device, apparatus, and methods
Network interface device, apparatus, and methods
Network interface device, apparatus, and methods