with subscriber controlled access to an exchange line

Industry

CPC
H04M9/005

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M9/00Interconnection arrangements not involving centralised switching

Current Industry

H04M9/005with subscriber controlled access to an exchange line

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Volume control over shared trunk lines in intercom systems
- Patent number 11,722,603
- Issue date Aug 8, 2023
- Robert Bosch GmbH
- James Puttick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Volume control over shared trunk lines in intercom systems
- Patent number 11,438,461
- Issue date Sep 6, 2022
- Robert Bosch GmbH
- James Puttick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Extension monitoring in a distributed telephony system
- Patent number 8,948,359
- Issue date Feb 3, 2015
- Shoretel, Inc.
- Michael S. W. Tovino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Extension monitoring in a distributed telephony system
- Patent number 8,503,640
- Issue date Aug 6, 2013
- Shoretel, Inc.
- Michael S. W. Tovino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enterprise-distributed noise management
- Patent number 8,284,926
- Issue date Oct 9, 2012
- Avaya Inc.
- Eric John Diethorn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice prompted user interface for central switch telephone programming
- Patent number 7,012,997
- Issue date Mar 14, 2006
- Foto-Fone, Inc.
- Zigurd Mednieks
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone apparatus with call distribution function
- Patent number 6,459,781
- Issue date Oct 1, 2002
- Kabushiki Kaisha Toshiba
- Masahiko Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for attenuation of echos caused by line variations and an i...
- Patent number 6,408,008
- Issue date Jun 18, 2002
- Creative Integrated Systems, Inc.
- James A. Komarek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system having a plurality of telephone numbers to key...
- Patent number 6,188,755
- Issue date Feb 13, 2001
- Kabushiki Kaisha Toshiba
- Hiroaki Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone apparatus with [automatic] call distr...
- Patent number 6,175,617
- Issue date Jan 16, 2001
- Kabushiki Kaisha Toshiba
- Masahiko Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Callee-based telephone line preselection
- Patent number 6,154,660
- Issue date Nov 28, 2000
- Ericsson Inc.
- Mona Singh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone apparatus with call distribution function
- Patent number 5,987,109
- Issue date Nov 16, 1999
- Kabushiki Kaisha Toshiba
- Masahiko Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system for processing caller ID information
- Patent number 5,875,241
- Issue date Feb 23, 1999
- Lucent Technologies
- Aileen Y. Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Office line selecting technique of a telephone switching system
- Patent number 5,872,839
- Issue date Feb 16, 1999
- SamSung Electronics Co., Ltd.
- Uk-Jin Kang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Smart phone integration with computer systems
- Patent number 5,799,067
- Issue date Aug 25, 1998
- Elonex IP Holdings Ltd.
- Dan Kikinis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing and communication apparatus
- Patent number 5,757,898
- Issue date May 26, 1998
- Canon Kabushiki Kaisha
- Shigeru Nishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Telephone terminal having multiple handsets
- Patent number 5,754,642
- Issue date May 19, 1998
- Hitachi Telecom Technologies, Ltd.
- Yoshihisa Domoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone apparatus with automatic call distribution function
- Patent number 5,712,909
- Issue date Jan 27, 1998
- Kabushiki Kaisha Toshiba
- Masahiko Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for controlling long distance calling using a multi-frequenc...
- Patent number 5,694,461
- Issue date Dec 2, 1997
- Samsung Electronics Co., Ltd.
- Tae-Gyu Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Private branch exchange apparatus
- Patent number 5,655,012
- Issue date Aug 5, 1997
- Matsushita Electric Industrial Co., Ltd.
- Kousuke Tsuchida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone exchange system
- Patent number 5,651,061
- Issue date Jul 22, 1997
- Hitachi Telecom Technologies, Ltd.
- Yoshihisa Domoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system capable of simulation by button operations
- Patent number 5,640,448
- Issue date Jun 17, 1997
- NEC Corporation
- Fumiyoshi Toyoshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for processing telephone calls from one line t...
- Patent number 5,579,380
- Issue date Nov 26, 1996
- Connection Laboratories, Inc.
- Ernie Ferguson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication control apparatus and method and communication exchan...
- Patent number 5,572,586
- Issue date Nov 5, 1996
- Canon Kabushiki Kaisha
- Masatomo Ouchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Home and small business phone system for operation on a single inte...
- Patent number 5,548,592
- Issue date Aug 20, 1996
- Creative Integrated Systems, Inc.
- James A. Komarek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic call distributor with telephonic call holding system
- Patent number 5,546,454
- Issue date Aug 13, 1996
- Noreen A. Harrington
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone apparatus with dial key display for external line status
- Patent number 5,517,551
- Issue date May 14, 1996
- Canon Kabushiki Kaisha
- Shunji Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pushbutton telephone system
- Patent number 5,483,584
- Issue date Jan 9, 1996
- Toshiba Corporation
- Hiroaki Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone handset interface for device having audio input
- Patent number 5,455,859
- Issue date Oct 3, 1995
- Howard A. Gutzmer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shared line appearance across a plurality of switching systems
- Patent number 5,390,241
- Issue date Feb 14, 1995
- AT&T Corp.
- Bruce M. Bales
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
VOLUME CONTROL OVER SHARED TRUNK LINES IN INTERCOM SYSTEMS
- Publication number 20220377180
- Publication date Nov 24, 2022
- ROBERT BOSCH GmbH
- James Puttick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOLUME CONTROL OVER SHARED TRUNK LINES IN INTERCOM SYSTEMS
- Publication number 20220124202
- Publication date Apr 21, 2022
- ROBERT BOSCH GmbH
- James Puttick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Enterprise-Distributed Noise Management
- Publication number 20090080642
- Publication date Mar 26, 2009
- Avaya Technology LLC
- Eric John Diethorn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for filtering a signal and providing echo cancell...
- Publication number 20030076844
- Publication date Apr 24, 2003
- Mohammad Usman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

with subscriber controlled access to an exchange line

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Volume control over shared trunk lines in intercom systems

Volume control over shared trunk lines in intercom systems

Extension monitoring in a distributed telephony system

Extension monitoring in a distributed telephony system

Enterprise-distributed noise management

Voice prompted user interface for central switch telephone programming

Key telephone apparatus with call distribution function

Circuit for attenuation of echos caused by line variations and an i...

Key telephone system having a plurality of telephone numbers to key...

Key telephone apparatus with &#x0005B;automatic&#x0005D; call distr...

Callee-based telephone line preselection

Key telephone apparatus with call distribution function

Communication system for processing caller ID information

Office line selecting technique of a telephone switching system

Smart phone integration with computer systems

Information processing and communication apparatus

Telephone terminal having multiple handsets

Key telephone apparatus with automatic call distribution function

Method for controlling long distance calling using a multi-frequenc...

Private branch exchange apparatus

Telephone exchange system

Key telephone system capable of simulation by button operations

Method and apparatus for processing telephone calls from one line t...

Communication control apparatus and method and communication exchan...

Home and small business phone system for operation on a single inte...

Automatic call distributor with telephonic call holding system

Telephone apparatus with dial key display for external line status

Pushbutton telephone system

Telephone handset interface for device having audio input

Shared line appearance across a plurality of switching systems

Patents Applicationslast 30 patents

VOLUME CONTROL OVER SHARED TRUNK LINES IN INTERCOM SYSTEMS

VOLUME CONTROL OVER SHARED TRUNK LINES IN INTERCOM SYSTEMS

Enterprise-Distributed Noise Management

Method and system for filtering a signal and providing echo cancell...

Key telephone apparatus with [automatic] call distr...