Selective filtering of incoming telephone calls
Selective telephone blocker with timer
Selective telephone caller identification service
Self-aligning precision guide pin
Self-generating return call service
Self-screening telephone
Semi-supervised training of destination map for call...
Sensor-controlled telephone system
Sequential calling system with prioritization of the last...
Series connected interceptor
Service activation upon automatic callback and automatic...
Service application architecture for integrated network...
Service bureau caller ID collection with ISDN BRI
Service bureau Caller ID collection with ISDN BRI
Service context sensitive features and applications
Service control apparatus, forwarding switching equipment,...
Service control in a telecommunications network
Service creation apparatus for a communications network
Service delivery using broadband
Service in a communications network