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Inventor:
Ladd; David J.
Address:
Saratoga, CA
No. of patents:
7
Patents:




Patent Number Title Of Patent Date Issued
6097791 Voice-messaging system with non-user outcalling and auto-provisioning capabilities August 1, 2000
A voice messaging system with non-user outcalling and auto-provisioning capabilities including an automatic means for configuring a telephone number to become a subscriber to a voice messaging service. The voice messaging system of the present invention facilitates the process of acq
5991370 Voice messaging system and method providing message delivery verification November 23, 1999
A verifying non-user outcall unit within a voice messaging system attempts to deliver a subscriber's message to a non-subscriber. During the delivery attempt, the verifying non-user outcall unit directs the recording of a signal returned after dialing a recipient's telephone number. The
5517556 Call processing system with facsimile processing May 14, 1996
An improved telephone call processing apparatus for processing facsimile messages. The facsimile processing apparatus comprises a message control system including a voice control unit (VCU), a control processor unit (CPU), and a telephone line card. Multiple buses including a high speed
5355406 Integrated application controlled call processing and messaging system October 11, 1994
An integrated application controlled call processing and messaging system for use with a telephone system. The preferred embodiment comprises a PBX or central office system (Centrex) coupled to a voice messaging system to which an applications processor is coupled. The PBX and voice mess
5325422 PBX telephone call control system June 28, 1994
A PBX telephone call control system is disclosed. The system provides a line interface unit connection between a plurality of subscriber line extensions and a private branch exchange (PBX) switching equipment. The call control system appears to the PBX like any other telephone extension
5117451 Interface to and operation of a voice messaging system May 26, 1992
A voice messaging system for use with a telephone system. The preferred embodiment comprises a voice messaging system which interfaces to a PBX through a feature phone interface, the voice messaging system emulating a feature phone. The PBX supplies information to the voice messaging sys
4926462 Interface to and operation of a voice messaging system May 15, 1990
A voice messaging system for use with a telephone system. The preferred embodiment comprises a voice messaging system which interfaces to a PBX through a feature phone interface, the voice messaging system emulating a feature phone. The PBX supplies information to the voice messaging sys


 
 
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