Assignee
VMX INC
US15 patents
Top patents by PatentIndex Score
US4757525AJul 12, 1988
Electronic audio communications system with voice command features
VMX INC289 citations98
US4652700AMar 24, 1987
Electronic audio communications system with versatile user accessibility
VMX INC167 citations98
US4602129AJul 22, 1986
Electronic audio communications system with versatile message delivery
VMX INC276 citations98
US4585906AApr 29, 1986
Electronic audio communication system with user controlled message address
VMX INC160 citations98
US5717742AFeb 10, 1998
Electronic mail system having integrated voice messages
VMX INC373 citations97
US4761807AAug 2, 1988
Electronic audio communications system with voice authentication features
VMX INC143 citations97
US4640991AFeb 3, 1987
Electronic audio communications systems network
VMX INC107 citations95
US4581486AApr 8, 1986
Electronic audio communications system with user accessible message groups
VMX INC70 citations95
US4580012AApr 1, 1986
Electronic audio communications system with automatic user access features
VMX INC138 citations95
US5517556AMay 14, 1996
Call processing system with facsimile processing
VMX INC81 citations92
US5355406AOct 11, 1994
Integrated application controlled call processing and messaging system
VMX INC104 citations92
US4580016AApr 1, 1986
Method and apparatus for checking the integrity of a communications channel in a voice store and forward system
VMX INC43 citations90
US5319703AJun 7, 1994
Apparatus and method for identifying speech and call-progression signals
VMX INC51 citations88
US5321745AJun 14, 1994
Adaptive efficient single/dual tone decoder apparatus and method for identifying call-progression signals
VMX INC52 citations83
US5325422AJun 28, 1994
PBX telephone call control system
VMX INC17 citations81