"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 6115455 | Method and apparatus for dynamically creating message mailboxes A system that dynamically creates a mailbox if the mailbox does not exist for a message at the time that the message is to be stored when dynamic mailbox creation is enabled. A system level process indicates that the mailbox exists and provides default su... | 09/05/2000 |
| 5659599 | Voice mail network and networking method A system and method that implements a network of voice mail systems using a telephone network. Each node of the network queues voice messages to be sent to remote locations in a voice mailbox created for that remote location until a scheduled time for sen... | 08/19/1997 |
| 5524139 | System for automatic access to automated telephonic information services An information services system accessed via telephones by subscribers stores lists of codes for accessing automated telephonic information services, such as telephone banking, airline reservations, stock quotes, etc. A subscriber to an information service... | 06/04/1996 |
| 5519766 | Message length reporting system for telephone communication system A voice mail message system detects the length of each message and provides an indication of the length to a user together with other message information when messages are requested. The indication of message length may be a qualitative one in which the n... | 05/21/1996 |
| 5515422 | Automated attendant for any combination of PBX, centrex and single-line telephones An automated attendant service supports any combination of single-line telephones, CENTREX telephones and one or more PBX in a single logical configuration. Multiple access numbers can be used to call the automated service and calls forwarded from DID lin... | 05/07/1996 |
| 5493607 | Multi-system network addressing Storage locations, such as voice mailboxes are addressed on a plurality of widely distributed host systems, connect via a network, by defining logical domains Bach of which may include storage locations on more than one host system. The domains are define... | 02/20/1996 |
| 5475748 | Automatic telephone system with function for multiple out-dialed calls per caller Equipment providing information services, whether installed near a central office or provided as part of a PBX includes a search service for generating a number of outdialing operations in an effort to reach a subscriber of the search service for a caller... | 12/12/1995 |
| 5402472 | Automated attendant for any combination of PBX, centrex, and single-line telephones An automated attendant service supports any combination of single-line telephones, CENTREX telephones and one or more PBXs in a single logical configuration. Multiple access numbers can be used to call the automated service and calls forwarded from DID li... | 03/28/1995 |
| 5369697 | Method and apparatus for automatically switching between pulse code and DTMF signals generated by a telephone Dual tone multifrequency (DTMF) signals are automatically generated by a telecommunications device after a telephone number is called. The signals generated to call the telephone number are determined by a manually operated switch indicating pulse code si... | 11/29/1994 |
| 5263080 | Telephone message storage system with out-of-band signalling A pay telephone message system is disclosed that includes a voice message system storing and forwarding to a destination telephone a voice message left by a user. Call information including the destination telephone number is routed out-of-band, that is, ... | 11/16/1993 |
| 5260990 | Multiple integrations unit for coupling different switching systems to a message storage system The present invention is an apparatus that receives various types of call record information when a called number is busy or does not answer, and converts the call record information into uniform format information suitable for recording messages on a mes... | 11/09/1993 |
| 5168518 | Coin tone validator for telephone paystations A coin tone validator (CTV) is located in a local central office and is connected between a pay telephone and a switching system. The CTV monitors DC loop current changes using opto-couplers inserted into a local loop in addition to measuring standard 170... | 12/01/1992 |
| 5029199 | Distributed control and storage for a large capacity messaging system The present invention provides a distributed architecture that includes multiple voice processing unit each designated as a home unit for a subscriber's messages. An incoming call is preferentially switched to the home VPU by a digital switching system un... | 07/02/1991 |