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Assignee: Octel Communications Corporation


Location: Milpitas, CA
No. of patents: 27

NumberTitleIssue Date
6097791Voice-messaging system with non-user outcalling and auto-provisioning capabilities
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 f...
08/01/2000
6094476Speech-responsive voice messaging system and method
A system and method for speech-responsive voice messaging, in which a Speech-Responsive Voice Messaging System (SRVMS) preferably provides a hierarchically-simple speech user interface (UI) that enables subscribers to use speech to specify commands such a...
07/25/2000
6064723Network-based multimedia communications and directory system and method of operation
A communications system (10) is provided which comprises a plurality of network hubs (12), (14), and (16). Network hubs (12), (14), and (16) are interconnected through a communications network (18). The system (10) interconnects messaging systems (24), (2...
05/16/2000
5982856Network-based multimedia communications and directory system and method of operation
A communications system (10) is provided which comprises a plurality of network hubs (12), (14), and (16). Network hubs (12), (14), and (16) are interconnected through a communications network (18). The system (10) interconnects messaging systems (24), (2...
11/09/1999
5940478Method and system for extended addressing plans
Communications system (10) that includes a network hub system (12), (14) and (16) connectable to external voice messaging systems (24), (26), (28), (30), (32), (34), (36), (40), (42) and (44). The network hub system (12), (14) and (16) includes a database...
08/17/1999
5881136Fax overflow system
In a system where fax messages are directed to a store and forward system when a fax machine is busy: When fax messages are stored and an attempt is made to re-deliver the message, an ID related to the serial number of the storage system is placed in the ...
03/09/1999
5761201System and method for private addressing plans using community addressing
A network hub system (200) is connected to a communications cloud (18) as well as messaging systems (202), (204), (206) and (208). A public access port (212) interacts with a public virtual messaging system (202a). A private access port (214) interacts wi...
06/02/1998
5740231Network-based multimedia communications and directory system and method of operation
A communications system (10) is provided which comprises a plurality of network hubs (12), (14), and (16). Network hubs (12), (14), and (16) are interconnected through a communications network (18). The system (10) interconnects messaging systems (24), (2...
04/14/1998
5740230Directory management system and method
Communications system (200) comprising a receiving messaging system (202 or 215) connectable to a sending messaging system (210). The receiving messaging system (202 or 215) is operable to receive a message addressed to a recipient and a time stamp of a s...
04/14/1998
5621727System and method for private addressing plans using community addressing
A network hub system (200) is connected to a communications cloud (18) as well as messaging systems (202), (204), (206) and (208). A public access port (212) interacts with a public virtual messaging system (202a). A private access port (214) interacts wi...
04/15/1997
5519507Batching and delayed transmission of facsimiles
An apparatus and method are described in a voice mail system for selectively storing faxes in a batch mailbox prior to printing at a facsimile machine in order to efficiently utilize the telephone connection between the voice mail system and the facsimile...
05/21/1996
5483580Methods and apparatus for non-simultaneous transmittal and storage of voice message and digital text or image
Apparatus and methods are provided for non-simultaneously creating and storing in electronic format a composite voice/data message having a recorded voice message portion and a facsimile transmittal portion. The method provides for creating a voice messag...
01/09/1996
5479498Digital line card having universal port for upgrading electronic messaging system
A digital line card is provided for use in an electronic messaging system for enabling the receipt of voice and text or image data over a single communications port. The digital line card includes a digital signal processing integrated circuit, a micropro...
12/26/1995
5416830Integrated voice meassaging/voice response system
An integrated voice messaging/interactive voice response system in which information given by a caller or known to a system database could be transferred among various application modules of the system is provided. The information is passed in the form of...
05/16/1995
5414757Voice mail system for news bulletins
An improved method and apparatus for distributing news items to the users of a computerized voice mail system. The news items are stored on disk. A news item memory table is stored in active memory. The news items memory table has (a) message descriptors ...
05/09/1995
5394460Voice processing systems connected in a cluster
The present invention provides a highly reliable network of interconnected voice processing modules. The voice processing modules are interconnected by a high speed FDDI network so that information can be transferred between the modules at high speed. All...
02/28/1995
5257309Dual tone multifrequency signal detection and identification methods and apparatus
Dual tone multifrequency ("DTMF") signal pulses are detected and identified by subjecting the signal being analyzed to complex bandpass filtering for each of the two DTMF frequency bands. The envelope of the outputs of each of these filters are determined...
10/26/1993
5247497Security systems based on recording unique identifier for subsequent playback
In order to enable an authorized user of a secured system to detect unauthorized use of that system, the system records identifying information about the user (e.g., a sample of the user's voice) each time the user uses the system. The system also plays b...
09/21/1993
5239574Methods and apparatus for detecting voice information in telephone-type signals
Voice signal information in a telephone-type signal is detected by subjecting the signal to several tests such as a minimum energy test, an amplitude ratio test, and a sequencing test which ensures that the other tests have been satisfied for a sufficient...
08/24/1993
5179585Integrated voice messaging/voice response system
An integrated voice messaging/interactive voice response system in which information given by a caller or known to a system database could be transferred among various application modules of the system is provided. The information is passed in the form of...
01/12/1993
5164989Echo cancellation methods and apparatus for voice processing systems
In a voice processing system employing the telephone communications network, any echo of an outgoing signal is substantially eliminated from the incoming signal by appropriately combining an appropriate version of the outgoing signal with the incoming sig...
11/17/1992
5155772Data compression system for voice data
Digital samples of a voice signal are greatly compressed by filtering the samples to separate the information contained in them into several different frequency bands. In each of a succession of time intervals, the dominant filter output value is identifi...
10/13/1992
5136648Message storage security system
A voice message system having a plurality of user voice mailboxes is disclosed. The voice message system utilizes a method in which a message is encrypted using a unique encrypting key corresponding to a designated user. The encrypted message is then stor...
08/04/1992
4873718Feature telephone integration device
A feature telephone integration device is disclosed. The device is intended for use in a PBX-type environment for use in a telephone system. The present invention uses communications with a feature phone as the source of information for an applications pr...
10/10/1989
4811381Direct inward dial integration apparatus
A direct inward dial integration device is connected to the trunk side of a PBX in a business telephone system. The present invention permits a voice message system (VMS) to answer forwarded calls with a personal greeting of a called party. When a direct ...
03/07/1989
4807274Telephone line quality testing system
A telephone line quality testing system detects line echoes in the telephone connection between two subsystems in a message transmission system. The test for line echoes is performed while the two subsystems exchange identification data by transmitting DT...
02/21/1989
4797672Voice network security system
A voice network security system is disclosed which provides improved security aspects in transmitting voice messages between remote locations for use in a business environment. The security aspects of the present invention serve to prevent unauthorized ac...
01/10/1989
 
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