Screening of calls in a packet-based network
Selective call waiting
Selective call waiting
Selective call waiting caller ID
Selective call waiting service
Selective call waiting service
Selective call waiting service
Selective call waiting service
Selective filtering of incoming telephone calls
Signal detection circuit and telephone apparatus
Signal-based session management for telephonic applications
Speakerphone state-controlled alerting arrangement
Spontaneous caller identification with call-waiting
Subscriber equipment muting method and apparatus
Switching system for providing an improved call waiting service
System for transmitting a change in call queued/hold state...
Systems and methods for providing selectable options to a...
Systems and methods for providing selectable options to a...