Trunk circuits

Industry

CPC
H04M7/0096

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M7/00Interconnection arrangements between switching centres

Current Industry

H04M7/0096Trunk circuits

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Application programming interface (API)-based concurrent call path...
- Patent number 12,041,204
- Issue date Jul 16, 2024
- Level 3 Communications, LLC
- Bridget McAndrew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for cloud-enabling a premise PBX
- Patent number 11,973,902
- Issue date Apr 30, 2024
- Intermedia.net, Inc.
- Daniel Klein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Application programming interface (API)-based concurrent call path...
- Patent number 11,778,103
- Issue date Oct 3, 2023
- Level 3 Communications, LLC
- Bridget McAndrew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for cloud-enabling a premise PBX
- Patent number 11,622,046
- Issue date Apr 4, 2023
- Intermedia.net, Inc.
- Daniel Klein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
User-based differentiated routing system and method
- Patent number 10,986,016
- Issue date Apr 20, 2021
- Level 3 Communications, LLC
- Richard D. Moore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subscriberless differentiated routing system and method
- Patent number 10,630,577
- Issue date Apr 21, 2020
- Level 3 Communications, LLC
- Richard D. Moore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for dynamic trunk group based call routing
- Patent number 10,084,923
- Issue date Sep 25, 2018
- Level 3 Communications, LLC
- Claudia M. Combellas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device
- Patent number 10,069,963
- Issue date Sep 4, 2018
- Oki Data Corporation
- Kimiaki Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method of providing telecommunications special services...
- Patent number 8,848,734
- Issue date Sep 30, 2014
- CenturyLink Intellectual Property LLC
- Mark L. Wilmoth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Geographic trunk groups
- Patent number 8,520,668
- Issue date Aug 27, 2013
- Level 3 Communications, LLC
- Richard Terpstra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for call routing based on source of call
- Patent number 8,437,457
- Issue date May 7, 2013
- Adtran, Inc.
- Jason Amos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Geographic trunk groups
- Patent number 7,961,720
- Issue date Jun 14, 2011
- Level 3 Communications, LLC
- Richard Terpstra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Prioritized call load balancing
- Patent number 7,804,952
- Issue date Sep 28, 2010
- Alcatel Lucent
- Neeraj Chandra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for selecting impedance setting for loop start trunk line
- Patent number 7,738,653
- Issue date Jun 15, 2010
- Mitel Networks Corporation
- Yonghua Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for interoffice trunk testing
- Patent number 7,697,499
- Issue date Apr 13, 2010
- Alcatel-Lucent USA Inc.
- Steven L. Makowski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch proxy for providing emergency stand alone service in remote...
- Patent number 7,680,252
- Issue date Mar 16, 2010
- Aztek Engineering, Inc.
- Joseph Marcus Elder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Office-line trunk circuit operating on ground-start and loop-start...
- Patent number 7,539,299
- Issue date May 26, 2009
- NEC Infrontia Corporation
- Kazuo Kanayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for processing telephone calls via a remote tie-line
- Patent number 7,505,575
- Issue date Mar 17, 2009
- AT&T Labs, Inc.
- Harold C. Fleischer, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for processing telephone calls via a remote tie-line
- Patent number 7,274,786
- Issue date Sep 25, 2007
- AT&T Labs, Inc.
- Harold C. Fleischer, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of selecting impedance setting for loop start trunk line
- Patent number 7,215,762
- Issue date May 8, 2007
- Mitel Networks Corporation
- Yonghua Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless backup telephone device and associated support system
- Patent number 7,130,609
- Issue date Oct 31, 2006
- BellSouth Intellectual Property Corp.
- Donald M. Cardina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamic adaptation to congestion in connection-oriented networks
- Patent number 7,127,056
- Issue date Oct 24, 2006
- Nortel Networks Limited
- Qingwen Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of automatic signaling detection for a high speed communicat...
- Patent number 7,113,511
- Issue date Sep 26, 2006
- Siemens Communications, Inc.
- Bertram Geck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Combined telephone PBX and computer data router with pooled resources
- Patent number 7,095,759
- Issue date Aug 22, 2006
- At Comm Corporation
- Jeffrey Fitzgerald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Restoration scheme for mesh-based switching networks
- Patent number 7,050,561
- Issue date May 23, 2006
- Sycamore Networks, Inc.
- Raymond Yinggang Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for providing session initiation protocol (SIP)...
- Patent number 6,977,933
- Issue date Dec 20, 2005
- Tekelec
- Adrian Cornel Soncodi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Terminal multiplexer structure
- Patent number 6,965,561
- Issue date Nov 15, 2005
- Redfern Braodband Networks, Inc.
- Ross Halgren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for managing a network to sustain the quality of...
- Patent number 6,965,562
- Issue date Nov 15, 2005
- Nokia Networks
- Jukka Tuomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multifunctional analog trunk circuit
- Patent number 6,891,947
- Issue date May 10, 2005
- Samsung Electronics Co., Ltd.
- Kyung-Hwan Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Trunking alarm aggregation method and apparatus
- Patent number 6,810,016
- Issue date Oct 26, 2004
- Cisco Technology, Inc.
- Haibin Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
APPLICATION PROGRAMMING INTERFACE (API)-BASED CONCURRENT CALL PATH...
- Publication number 20240372948
- Publication date Nov 7, 2024
- Level 3 Communications, LLC
- Bridget McAndrew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPLICATION PROGRAMMING INTERFACE (API)-BASED CONCURRENT CALL PATH...
- Publication number 20240031491
- Publication date Jan 25, 2024
- LEVEL 3 COMMUNICATIONS, LLC
- Bridget McAndrew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR CLOUD-ENABLING A PREMISE PBX
- Publication number 20230239409
- Publication date Jul 27, 2023
- INTERMEDIA.NET, INC.
- Daniel Klein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Application Programming Interface (API) -Based Concurrent Call Path...
- Publication number 20220353372
- Publication date Nov 3, 2022
- LEVEL 3 COMMUNICATIONS, LLC
- Bridget McAndrew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR CLOUD-ENABLING A PREMISE PDX
- Publication number 20220311866
- Publication date Sep 29, 2022
- Intermedia.net, Inc.
- Daniel Klein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
USER-BASED DIFFERENTIATED ROUTING SYSTEM AND METHOD
- Publication number 20200084140
- Publication date Mar 12, 2020
- LEVEL 3 COMMUNICATIONS, LLC
- Richard D. Moore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GROUPING OF CIRCUITS
- Publication number 20110249625
- Publication date Oct 13, 2011
- Arturo Martin De Nicolas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Geographic Trunk Groups
- Publication number 20110235517
- Publication date Sep 29, 2011
- LEVEL 3 COMMUNICATIONS, LLC
- Richard Terpstra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD OF PROVIDING TELECOMMUNICATIONS SPECIAL SERVICES...
- Publication number 20100098142
- Publication date Apr 22, 2010
- Embarq Holdings Company, LLC
- Mark L. Wilmoth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GEOGRAPHIC TRUNK GROUPS
- Publication number 20090129580
- Publication date May 21, 2009
- Level 3 Communications LLC
- Richard Terpstra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR PROCESSING TELEPHONE CALLS VIA A REMOTE TIE-LINE
- Publication number 20070291921
- Publication date Dec 20, 2007
- AT&T LABS, INC.
- Harold C. FLEISCHER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Prioritized call load balancing
- Publication number 20070206763
- Publication date Sep 6, 2007
- ALCATEL
- Neeraj Chandra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for trunk line duplexing protection using a hardware watchdog
- Publication number 20070198875
- Publication date Aug 23, 2007
- Yeong Weon Jung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR SELECTING IMPEDANCE SETTING FOR LOOP START TRUNK LINE
- Publication number 20070127697
- Publication date Jun 7, 2007
- Mitel Networks Corporation
- Yonghua Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless Backup Telephone Device
- Publication number 20070054660
- Publication date Mar 8, 2007
- BellSouth Intellectual Property Corporation
- Donald M. Cardina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMBINED TELEPHONE PBX AND COMPUTER DATA ROUTER WITH POOLED RESOURCES
- Publication number 20060239283
- Publication date Oct 26, 2006
- At Comm Corporation
- Jeffrey Fitzgerald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Switch proxy for providing emergency stand alone service in remote...
- Publication number 20060098791
- Publication date May 11, 2006
- Joseph Marcus Elder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of selecting impedance setting for loop start trunk line
- Publication number 20050207565
- Publication date Sep 22, 2005
- Mitel Networks Corporation
- Yonghua Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods and systems for providing session initiation protocol (SIP)...
- Publication number 20050074026
- Publication date Apr 7, 2005
- Adrian Cornel Soncodi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Office-line trunk circuit operating on ground-start and loop-start...
- Publication number 20050047588
- Publication date Mar 3, 2005
- NEC INFRONTIA CORPORATION
- Kazuo Kanayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for controlling traffic in a virtual trunking process via a...
- Publication number 20040246945
- Publication date Dec 9, 2004
- Andreas Knaebchen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for interoffice trunk testing
- Publication number 20040240421
- Publication date Dec 2, 2004
- Steven L. Makowski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless backup telephone device
- Publication number 20040214569
- Publication date Oct 28, 2004
- Donald M. Cardina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for processing telephone calls via a remote tie-line
- Publication number 20030235284
- Publication date Dec 25, 2003
- SBC TECHNOLOGY RESOURCES INC.
- Harold C. Fleischer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of automatic signaling detection for a high speed communicat...
- Publication number 20030169693
- Publication date Sep 11, 2003
- Siemens Information and Communication Network, Inc.
- Bertram Geck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Restoration scheme for mesh-based switching networks
- Publication number 20030016809
- Publication date Jan 23, 2003
- SYCAMORE NETWORKS, INC.
- Raymond Yinggang Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dynamic adaptation to congestion in connection-oriented networks
- Publication number 20030016808
- Publication date Jan 23, 2003
- NORTEL NETWORKS LIMITED
- Qingwen Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for processing telephone calls via a remote tie-line
- Publication number 20020136388
- Publication date Sep 26, 2002
- SBC Technology Resources, Inc.
- Harold C. Fleischer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for automatic detection of loop start and ground...
- Publication number 20020131560
- Publication date Sep 19, 2002
- Bertram Geck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for managing a network to sustain the quality of...
- Publication number 20020110112
- Publication date Aug 15, 2002
- Jukka Tuomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Trunk circuits

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Application programming interface (API)-based concurrent call path...

System for cloud-enabling a premise PBX

Application programming interface (API)-based concurrent call path...

System for cloud-enabling a premise PBX

User-based differentiated routing system and method

Subscriberless differentiated routing system and method

Method and system for dynamic trunk group based call routing

Communication device

System and method of providing telecommunications special services...

Geographic trunk groups

System and method for call routing based on source of call

Geographic trunk groups

Prioritized call load balancing

Method for selecting impedance setting for loop start trunk line

Method for interoffice trunk testing

Switch proxy for providing emergency stand alone service in remote...

Office-line trunk circuit operating on ground-start and loop-start...

Method and system for processing telephone calls via a remote tie-line

Method and system for processing telephone calls via a remote tie-line

Method of selecting impedance setting for loop start trunk line

Wireless backup telephone device and associated support system

Dynamic adaptation to congestion in connection-oriented networks

Method of automatic signaling detection for a high speed communicat...

Combined telephone PBX and computer data router with pooled resources

Restoration scheme for mesh-based switching networks

Methods and systems for providing session initiation protocol (SIP)...

Terminal multiplexer structure

System and method for managing a network to sustain the quality of...

Multifunctional analog trunk circuit

Trunking alarm aggregation method and apparatus

Patents Applicationslast 30 patents

APPLICATION PROGRAMMING INTERFACE (API)-BASED CONCURRENT CALL PATH...

APPLICATION PROGRAMMING INTERFACE (API)-BASED CONCURRENT CALL PATH...

SYSTEM FOR CLOUD-ENABLING A PREMISE PBX

Application Programming Interface (API) -Based Concurrent Call Path...

SYSTEM FOR CLOUD-ENABLING A PREMISE PDX

USER-BASED DIFFERENTIATED ROUTING SYSTEM AND METHOD

GROUPING OF CIRCUITS

Geographic Trunk Groups

SYSTEM AND METHOD OF PROVIDING TELECOMMUNICATIONS SPECIAL SERVICES...

GEOGRAPHIC TRUNK GROUPS

METHOD AND SYSTEM FOR PROCESSING TELEPHONE CALLS VIA A REMOTE TIE-LINE

Prioritized call load balancing

Method for trunk line duplexing protection using a hardware watchdog

METHOD FOR SELECTING IMPEDANCE SETTING FOR LOOP START TRUNK LINE

Wireless Backup Telephone Device

COMBINED TELEPHONE PBX AND COMPUTER DATA ROUTER WITH POOLED RESOURCES

Switch proxy for providing emergency stand alone service in remote...

Method of selecting impedance setting for loop start trunk line

Methods and systems for providing session initiation protocol (SIP)...

Office-line trunk circuit operating on ground-start and loop-start...

Method for controlling traffic in a virtual trunking process via a...

Method for interoffice trunk testing

Wireless backup telephone device

Method and system for processing telephone calls via a remote tie-line

Method of automatic signaling detection for a high speed communicat...

Restoration scheme for mesh-based switching networks

Dynamic adaptation to congestion in connection-oriented networks

Method and system for processing telephone calls via a remote tie-line

System and method for automatic detection of loop start and ground...

System and method for managing a network to sustain the quality of...