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HELECTRICITY H04Electric communication H04QSELECTING H04Q3/00Selecting arrangements

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H04Q3/622Circuit arrangements therefor

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Patents Grantslast 30 patents

Information Patent Grant
Internet protocol compliant private branch electronic exchange and...
- Patent number 7,580,402
- Issue date Aug 25, 2009
- NEC Infrontia Corporation
- Mao Masuhiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Routing in a private network with compression
- Patent number 6,909,694
- Issue date Jun 21, 2005
- Alcatel
- Cao Thanh Phan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Routing calls with overflows in a private network
- Patent number 6,813,246
- Issue date Nov 2, 2004
- Alcatel
- Cao Thanh Phan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scaleable network server for low cost PBX
- Patent number 6,728,239
- Issue date Apr 27, 2004
- AT&T Corp.
- Fen-Chung Kung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Routing calls to external networks from a private network
- Patent number 6,667,958
- Issue date Dec 23, 2003
- Alcatel
- Cao Thanh Phan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control of access to the call completion on busy link service in a...
- Patent number 6,643,366
- Issue date Nov 4, 2003
- Alcatel
- Cao Thanh Phan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecommunications network having successively utilized different n...
- Patent number 6,377,677
- Issue date Apr 23, 2002
- British Telecommunications public limited company
- Roger G Ackerley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for interfacing analog telephone apparatus to...
- Patent number 6,343,126
- Issue date Jan 29, 2002
- Hello Direct, Inc.
- Bruce W. Stelman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Personal communicator telephone system
- Patent number 6,332,082
- Issue date Dec 18, 2001
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computer-controlled paging and telephone communication system and m...
- Patent number 6,201,950
- Issue date Mar 13, 2001
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone system providing personalized telephone features
- Patent number 6,185,283
- Issue date Feb 6, 2001
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for controlling a telephone system
- Patent number 6,167,128
- Issue date Dec 26, 2000
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for processing telephone calls
- Patent number 6,122,484
- Issue date Sep 19, 2000
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Meet-me telephone system with subscriber notification feature
- Patent number 6,104,912
- Issue date Aug 15, 2000
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communicator for a telephone system
- Patent number 6,067,443
- Issue date May 23, 2000
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for managing telecommunications
- Patent number 6,026,149
- Issue date Feb 15, 2000
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Personal communicator telephone system
- Patent number 6,026,153
- Issue date Feb 15, 2000
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for receiving and processing an incoming call
- Patent number 6,021,190
- Issue date Feb 1, 2000
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control and monitoring apparatus and method for a telephone system
- Patent number 5,924,016
- Issue date Jul 13, 1999
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecommunications system
- Patent number 5,917,901
- Issue date Jun 29, 1999
- Northern Telecom Limited
- Deborah Claire Maxwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive telephone handset interface
- Patent number 5,912,964
- Issue date Jun 15, 1999
- Hello Direct, Inc.
- Bruce W. Stelman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Product registration system
- Patent number 5,907,600
- Issue date May 25, 1999
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile telecommunications network having integrated wireless office...
- Patent number 5,890,064
- Issue date Mar 30, 1999
- Telefonaktiebolaget L M Ericsson (publ)
- Ina Widergen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Personal communicator system for identifying a telephone which is d...
- Patent number 5,842,112
- Issue date Nov 24, 1998
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for processing telephone calls
- Patent number 5,841,837
- Issue date Nov 24, 1998
- Acessline Technologies, Inc.
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adjunct controller for a telephone system
- Patent number 5,838,779
- Issue date Nov 17, 1998
- Aspect Telecommunications Corporation
- Robert M. Fuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Corporate communication system
- Patent number 5,839,067
- Issue date Nov 17, 1998
- Telefonaktiebolaget LM Ericsson
- Bjorn Erik Rutger Jonsson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enhanced call waiting
- Patent number 5,825,867
- Issue date Oct 20, 1998
- Aspect Telecommunications Corporation
- Frederick A. Epler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transferring a data call
- Patent number 5,793,847
- Issue date Aug 11, 1998
- Intel Corporation
- Ajit Pendse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stored program controlled PBX accommodating secondary rate tie trun...
- Patent number 5,784,381
- Issue date Jul 21, 1998
- NEC Corporation
- Yoshihiro Hori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ROUTING CALLS TO EXTERNAL NETWORKS FROM A PRIVATE NETWORK
- Publication number 20030206526
- Publication date Nov 6, 2003
- CAO THANH PHAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Internet Protocol compliant private branch electronic exchange and...
- Publication number 20030202648
- Publication date Oct 30, 2003
- NEC Corporation
- Mao Masuhiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROL OF ACCESS TO THE CALL COMPLETION ON BUSY LINK SERVICE IN A...
- Publication number 20030012357
- Publication date Jan 16, 2003
- CAO THANH PHAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Circuit arrangements therefor

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Internet protocol compliant private branch electronic exchange and...

Routing in a private network with compression

Routing calls with overflows in a private network

Scaleable network server for low cost PBX

Routing calls to external networks from a private network

Control of access to the call completion on busy link service in a...

Telecommunications network having successively utilized different n...

Method and apparatus for interfacing analog telephone apparatus to...

Personal communicator telephone system

Computer-controlled paging and telephone communication system and m...

Telephone system providing personalized telephone features

Method and apparatus for controlling a telephone system

Method and apparatus for processing telephone calls

Meet-me telephone system with subscriber notification feature

Communicator for a telephone system

Method and apparatus for managing telecommunications

Personal communicator telephone system

Method and apparatus for receiving and processing an incoming call

Control and monitoring apparatus and method for a telephone system

Telecommunications system

Adaptive telephone handset interface

Product registration system

Mobile telecommunications network having integrated wireless office...

Personal communicator system for identifying a telephone which is d...

Method and apparatus for processing telephone calls

Adjunct controller for a telephone system

Corporate communication system

Enhanced call waiting

Method and apparatus for transferring a data call

Stored program controlled PBX accommodating secondary rate tie trun...

Patents Applicationslast 30 patents

ROUTING CALLS TO EXTERNAL NETWORKS FROM A PRIVATE NETWORK

Internet Protocol compliant private branch electronic exchange and...

CONTROL OF ACCESS TO THE CALL COMPLETION ON BUSY LINK SERVICE IN A...