Dial-less calling device
Dialable screening profile
Dialing using caller ID
Dialing using caller ID
Dialogue device for call screening and classification
Dictating apparaus which is remotely controlled utilizing a push
Digital Cellular Overlay Network (DCON)
Digital cellular switching system with means for securing uninte
Digital computer platform for supporting telephone network appli
Digital computer platform for supporting telephone network appli
Digital cordless telephone set operated under burst synchronizat
Digital dictation system with voice mail capability
Digital notification and response system
Digital radiotelephone apparatus
Digital secretary
Digital telephone answering device and method of testing message
Digital telephone answering set
Digital telephone system with automatic routing based upon...
Digital telephone system with automatic voice mail redirection
Digital/audio interactive communication network