Calling party invoked held call monitoring
Carrier independent network services
Change of equal access carrier notification
Charger/detector for cordless telephones
Circuit for generating dual-tone multi-frequency signals and hig
Client-server architecture using internet and public switched ne
Client-server system for delivery of online information
Client/server electronic mail system for providng off-line clien
Collaborative working method and system for a telephone to inter
Communication apparatus with improved sub-address recall
Communication equipment in which data to be transmitted includes
Communication exchange apparatus with switching of communication
Communication service control system in an intelligent network p
Communication system and method with voice steering
Communication system user authentication method
Communications device to establish call in ISDN system
Computer system and method for storing medical histories using a
Computer system having power management processor for switching
Computer telephony system and method
Computer-telephone integration system