Support of voice

Industry

CPC
H04J2203/0087

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Parent Industries

HELECTRICITY H04Electric communication H04JMULTIPLEX COMMUNICATION H04J2203/00Aspects of optical multiplex systems other than those covered by H04J14/00

Current Industry

H04J2203/0087Support of voice

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Redundancy gateway system
- Patent number 7,715,374
- Issue date May 11, 2010
- Oki Electric Industry Co. Ltd.
- Yuzuru Masuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device with 1:1 protection
- Patent number 7,529,182
- Issue date May 5, 2009
- Fujitsu Limited
- Hiroyuki Homma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for link-based clock synchronization in asynchron...
- Patent number 7,483,450
- Issue date Jan 27, 2009
- Nortel Networks Limited
- Peter Giese
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network path protection
- Patent number 6,925,054
- Issue date Aug 2, 2005
- Nortel Networks Limited
- Peter John Atterton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice-over-ATM switch architecture allowing congestion-dependent tr...
- Patent number 6,697,353
- Issue date Feb 24, 2004
- AT&T Corp.
- Behram H. Bharucha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for provisioning inter-machine trunks
- Patent number 6,363,074
- Issue date Mar 26, 2002
- Unisphere Solutions, Inc.
- Richard Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low cost ISDN/pots service using ATM
- Patent number 6,292,486
- Issue date Sep 18, 2001
- PMC-Sierra Ltd.
- Vernon Robert Little
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tandem relay device
- Patent number 6,172,978
- Issue date Jan 9, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Wataru Fushimi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice circuit emulation system in a packet switching network
- Patent number 5,600,641
- Issue date Feb 4, 1997
- International Business Machines Corporation
- Maurice Duault
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Redundancy gateway system
- Publication number 20080151915
- Publication date Jun 26, 2008
- Oki Electric Industry Co., Ltd.
- Yuzuru MASUYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication method and communication device
- Publication number 20040223451
- Publication date Nov 11, 2004
- Hiroyuki Homma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOICE-OVER-ATM SWITCH ARCHITECTURE ALLOWING CONGESTION-DEPENDENT TR...
- Publication number 20030081610
- Publication date May 1, 2003
- BEHRAM H BHARUCHA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Hybrid fiber coax communication system
- Publication number 20030081619
- Publication date May 1, 2003
- Bruce A. Phillips
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Support of voice

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Redundancy gateway system

Communication device with 1:1 protection

Method and system for link-based clock synchronization in asynchron...

Network path protection

Voice-over-ATM switch architecture allowing congestion-dependent tr...

Method and apparatus for provisioning inter-machine trunks

Low cost ISDN/pots service using ATM

Tandem relay device

Voice circuit emulation system in a packet switching network

Patents Applicationslast 30 patents

Redundancy gateway system

Communication method and communication device

VOICE-OVER-ATM SWITCH ARCHITECTURE ALLOWING CONGESTION-DEPENDENT TR...

Hybrid fiber coax communication system