Methods, systems, and products providing advanced...
Mnemonic discovery and notification method, product, and...
Mobile communication terminal
Mobile device calls via private branch exchange
Mobile device calls via private branch exchange
Mobile terminal and multimedia contents service providing...
Mobility management system in personal communication system
Modem communications interoperability with services equipped to
Modifying call system identifiers to indicate keys...
Modular system for managing service calls, in particular...
Monitoring a call forwarded to a network-based voice mail...
Monitoring and controlling channels to improve the interface of
Monitoring and overriding features for telephone service system
Monitoring and overriding features for telephone service system
Monitoring natural interaction for presence detection
Monitoring telephone conferences through a network of...
Multi-call simultaneous transfer system and switchboard
Multi-channel telephone data collection, collaboration and...
Multi-client object-oriented interface layer
Multi-line telephone system emergency call processing