ISDN systems

Industry

CPC
H04M2207/08

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M2207/00Type of exchange or network

Current Industry

H04M2207/08ISDN systems

Industries

Patents Grantslast 30 patents

Information Patent Grant
Accurate dispositioning of a telephone call by reconciling cause co...
- Patent number 10,225,404
- Issue date Mar 5, 2019
- Noble Systems Corporation
- James K. Noble
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handling audio path failure and poor quality of service for voice c...
- Patent number 10,212,200
- Issue date Feb 19, 2019
- Noble Systems Corporation
- James K. Noble
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for tracking call billing
- Patent number 9,961,211
- Issue date May 1, 2018
- Avaya Inc.
- Dara Geary
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone call processing modifications related to call acceptance...
- Patent number 9,942,402
- Issue date Apr 10, 2018
- Noble Systems Corporation
- James K. Noble
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handling audio path failure and poor quality of service for voice c...
- Patent number 9,882,944
- Issue date Jan 30, 2018
- Noble Systems Corporation
- James K. Noble
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Accurate dispositioning of a telephone call by reconciling cause co...
- Patent number 9,787,839
- Issue date Oct 10, 2017
- Noble Systems Corporation
- James K. Noble
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone call processing modifications related to call acceptance...
- Patent number 9,736,307
- Issue date Aug 15, 2017
- Noble Systems Corporation
- James K. Noble
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Accurate dispositioning of a telephone call by reconciliating cause...
- Patent number 9,538,009
- Issue date Jan 3, 2017
- Noble Systems Corporation
- James K. Noble
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Managing held telephone calls at the call-forwarding system
- Patent number 9,160,861
- Issue date Oct 13, 2015
- Avaya Inc.
- Sandra R. Abramson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for monitoring telephone status
- Patent number 9,154,619
- Issue date Oct 6, 2015
- QUALCOMM Incorporated
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Originating locator service
- Patent number 8,971,513
- Issue date Mar 3, 2015
- Verizon Patent and Licensing Inc.
- Euclid S. Brooks
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN disconnect alarm generation tool for use in voice over IP (VoI...
- Patent number 8,375,121
- Issue date Feb 12, 2013
- Level 3 Communications, LLC
- Fred R. Ziegler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for monitoring device status
- Patent number 8,204,199
- Issue date Jun 19, 2012
- Hewlett-Packard Development Company, L.P.
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of operating a telecommunications link between two telecommu...
- Patent number 8,045,681
- Issue date Oct 25, 2011
- Aastra Deutschland GmbH
- Andreas Hertel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for monitoring telephone status
- Patent number 8,027,448
- Issue date Sep 27, 2011
- Hewlett-Packard Development Company, L.P.
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Trunk sparing
- Patent number 8,027,454
- Issue date Sep 27, 2011
- Sprint Communications Company L.P.
- Larry H. Piercy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for identifying and treating calls
- Patent number 7,916,846
- Issue date Mar 29, 2011
- AT&T Intellectual Property II, L.P.
- Jeffrey Farah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location information for remote user
- Patent number 7,411,940
- Issue date Aug 12, 2008
- Alcatel
- Raymond Gass
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for monitoring telephone status
- Patent number 7,260,201
- Issue date Aug 21, 2007
- Walker Digital, LLC
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for extending PBX features via the public network
- Patent number 7,200,218
- Issue date Apr 3, 2007
- Siemens Corporation
- Todd Lindley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN alarm notification system
- Patent number 7,151,750
- Issue date Dec 19, 2006
- Fujitsu Limited
- Kazunori Horachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Implementation of additional functions for user connections having...
- Patent number 7,127,052
- Issue date Oct 24, 2006
- Siemens Aktiengesellschaft
- Norbert Baumert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN disconnect alarm generation tool for use in voice over IP (VoI...
- Patent number 7,051,099
- Issue date May 23, 2006
- Level 3 Communications, Inc.
- Fred R. Ziegler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for monitoring telephone status
- Patent number 7,010,110
- Issue date Mar 7, 2006
- Walker Digital, LLC
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for implementing a service in a telecommunication...
- Patent number 6,978,005
- Issue date Dec 20, 2005
- Nokia Corporation
- Sakari Pernu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadcast/multicast system and protocol for circuit-switched networks
- Patent number 6,940,857
- Issue date Sep 6, 2005
- AT&T Corp.
- Joseph Bernard Weinman, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PBX switch incorporating methods and apparatus for automatically de...
- Patent number 6,912,273
- Issue date Jun 28, 2005
- Siemens Communications, Inc.
- Bertram Geck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ring network implemented by telephony switches and links
- Patent number 6,839,419
- Issue date Jan 4, 2005
- Avaya Technology Corp.
- Andrew Derek Flockhart
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice-over internet protocol
- Patent number 6,829,249
- Issue date Dec 7, 2004
- Inter-Tel, Inc.
- Jerry Ray
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Virtual private line connection system and method
- Patent number 6,816,587
- Issue date Nov 9, 2004
- NEC Corporation
- Takeo Orui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR TRACKING CALL BILLING
- Publication number 20180115651
- Publication date Apr 26, 2018
- AVAYA INC.
- Dara Geary
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ORIGINATING LOCATOR SERVICE
- Publication number 20100303220
- Publication date Dec 2, 2010
- VERIZON PATENT AND LICENSING INC.
- Euclid S. BROOKS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR PROVIDING SELF A...
- Publication number 20090257345
- Publication date Oct 15, 2009
- NSGDATACOM, INC.
- Graham King
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of operating a telecommunications link between two telecommu...
- Publication number 20070127633
- Publication date Jun 7, 2007
- DeTeWe Systems GmbH
- Andreas Hertel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Managing held telephone calls at the call-forwarding system
- Publication number 20070041559
- Publication date Feb 22, 2007
- Avaya Technology Corp
- Sandra R. Abramson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ISDN disconnect alarm generation tool for use in Voice over IP (VoI...
- Publication number 20060230143
- Publication date Oct 12, 2006
- Fred R. Ziegler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MONITORING TELEPHONE STATUS
- Publication number 20060203968
- Publication date Sep 14, 2006
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MONITORING TELEPHONE STATUS
- Publication number 20060203970
- Publication date Sep 14, 2006
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MONITORING TELEPHONE STATUS
- Publication number 20060203969
- Publication date Sep 14, 2006
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for signaling a connection set-up emanating from a calling t...
- Publication number 20060159247
- Publication date Jul 20, 2006
- SIEMENS AKTIENGESELLSCHAFT
- Bernhard Krembs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for monitoring telephone status
- Publication number 20060140350
- Publication date Jun 29, 2006
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for monitoring telephone status
- Publication number 20060133581
- Publication date Jun 22, 2006
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telecommunication system and method for operating the same
- Publication number 20060056398
- Publication date Mar 16, 2006
- DeTeWe Systems GmbH
- Volker Wilkening
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Location information for remote user
- Publication number 20050094627
- Publication date May 5, 2005
- ALCATEL
- Raymond Gass
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for delivering profile information relating to a...
- Publication number 20040196966
- Publication date Oct 7, 2004
- William Jackson Bushnell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Broadcast/multicast system and protocol for circuit-switched networks
- Publication number 20030161337
- Publication date Aug 28, 2003
- Joseph Bernard Weinman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for controlling services during call establishment
- Publication number 20030059017
- Publication date Mar 27, 2003
- Dusica Cugalj
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for routing data packets
- Publication number 20030048775
- Publication date Mar 13, 2003
- Siemens Aktiengesellschaft
- Robert Westermeier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ISDN disconnect alarm generation tool for use in voice over IP (VoI...
- Publication number 20030023714
- Publication date Jan 30, 2003
- Fred R. Ziegler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for signaling a connection set-up emanating from a calling t...
- Publication number 20030021401
- Publication date Jan 30, 2003
- Bernhard Krembs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for monitoring telephone status
- Publication number 20030002642
- Publication date Jan 2, 2003
- James A. Jorasch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBSCRIBER LINE CONTROL DEVICE
- Publication number 20020150234
- Publication date Oct 17, 2002
- HISASHI KOGA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PBX switch incorporating methods and apparatus for automatically de...
- Publication number 20020122548
- Publication date Sep 5, 2002
- Bertram Geck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for delivering profile information relating to a...
- Publication number 20020067816
- Publication date Jun 6, 2002
- William Jackson Bushnell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and apparatus for connecting a telecommunications device to...
- Publication number 20020044545
- Publication date Apr 18, 2002
- Thomas Brumm
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ISDN alarm notification system
- Publication number 20020041569
- Publication date Apr 11, 2002
- Kazunori Horachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for implementing a service in a telecommunication...
- Publication number 20020018553
- Publication date Feb 14, 2002
- Sakari Pernu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010028708
- Publication date Oct 11, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010026611
- Publication date Oct 4, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010024493
- Publication date Sep 27, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

ISDN systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Accurate dispositioning of a telephone call by reconciling cause co...

Handling audio path failure and poor quality of service for voice c...

System and method for tracking call billing

Telephone call processing modifications related to call acceptance...

Handling audio path failure and poor quality of service for voice c...

Accurate dispositioning of a telephone call by reconciling cause co...

Telephone call processing modifications related to call acceptance...

Accurate dispositioning of a telephone call by reconciliating cause...

Managing held telephone calls at the call-forwarding system

Method and apparatus for monitoring telephone status

Originating locator service

ISDN disconnect alarm generation tool for use in voice over IP (VoI...

Method and apparatus for monitoring device status

Method of operating a telecommunications link between two telecommu...

Method and apparatus for monitoring telephone status

Trunk sparing

System and method for identifying and treating calls

Location information for remote user

Method and apparatus for monitoring telephone status

Method and apparatus for extending PBX features via the public network

ISDN alarm notification system

Implementation of additional functions for user connections having...

ISDN disconnect alarm generation tool for use in voice over IP (VoI...

Method and apparatus for monitoring telephone status

Method and system for implementing a service in a telecommunication...

Broadcast/multicast system and protocol for circuit-switched networks

PBX switch incorporating methods and apparatus for automatically de...

Ring network implemented by telephony switches and links

Voice-over internet protocol

Virtual private line connection system and method

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR TRACKING CALL BILLING

ORIGINATING LOCATOR SERVICE

APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR PROVIDING SELF A...

Method of operating a telecommunications link between two telecommu...

Managing held telephone calls at the call-forwarding system

ISDN disconnect alarm generation tool for use in Voice over IP (VoI...

METHOD AND APPARATUS FOR MONITORING TELEPHONE STATUS

METHOD AND APPARATUS FOR MONITORING TELEPHONE STATUS

METHOD AND APPARATUS FOR MONITORING TELEPHONE STATUS

Method for signaling a connection set-up emanating from a calling t...

Method and apparatus for monitoring telephone status

Method and apparatus for monitoring telephone status

Telecommunication system and method for operating the same

Location information for remote user

System and method for delivering profile information relating to a...

Broadcast/multicast system and protocol for circuit-switched networks

Method and system for controlling services during call establishment

Method for routing data packets

ISDN disconnect alarm generation tool for use in voice over IP (VoI...

Method for signaling a connection set-up emanating from a calling t...

Method and apparatus for monitoring telephone status

SUBSCRIBER LINE CONTROL DEVICE

PBX switch incorporating methods and apparatus for automatically de...

System and method for delivering profile information relating to a...

System and apparatus for connecting a telecommunications device to...

ISDN alarm notification system

Method and system for implementing a service in a telecommunication...

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof