H04Q 2213/13138
Least cost routing, lcr
Official title: Least cost routing, LCR
H04Q2213/13138 (Least cost routing, lcr) appears on 126 US grants and 82 published applications in this corpus.
Search patents in H04Q- Granted patents
- 126
- Published applications
- 82
- Assignees
- 84
- Inventors
- 259
- Latest grant
- 23 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 4 |
| 2002 | 7 | 16 |
| 2003 | 3 | 8 |
| 2004 | 5 | 2 |
| 2005 | 4 | 8 |
| 2006 | 7 | 6 |
| 2007 | 4 | 8 |
| 2008 | 3 | 10 |
| 2009 | 6 | 8 |
| 2010 | 8 | 7 |
| 2011 | 7 | 1 |
| 2012 | 3 | 0 |
| 2013 | 5 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Automatic termination path configuration23 Feb 2021US 10,932,015 B2Level 3 Communications, LLC
- Method and apparatus for instantiating a path with the minimum number of segments18 Jun 2019US 10,326,688 B2Alcatel-Lucent Canada Inc.
- Reduction of wireless communication costs in enterprises10 Oct 2017US 9,788,256 B2Avaya Inc.
- System and method for providing alternate routing in a network10 Nov 2015US 9,185,142 B2Level 3 Communications, LLC
- Jurisdictionally optimized call routing30 Sep 2014US 8,848,887 B2Verizon Patent and Licensing Inc.
- Method and apparatus for instantiating a path with the minimum number of segments29 Nov 2018US 2018/0343190 A1Alcatel-Lucent Canada Inc.
- Automatic termination path configuration25 May 2017US 2017/0150238 A1Level 3 Communications, LLC
- Connection selection in hybrid networks21 Apr 2016US 2016/0112941 A1Microsoft Corporation
- Reduction of Wireless Communication Costs in Enterprises26 Sep 2013US 2013/0252619 A1Avaya Inc.
- Local routing management in a telecommunications network14 Apr 2011US 2011/0085541 A1Level 3 Communications, LLC
Most cited
By later US patents
- System for selective communication connection based on transaction pricing signals599US 5,802,502 ABritish Telecommunications Public Ltd.Co. · 1998
- Method and apparatus for implementing a computer network/internet telephone system287US 6,243,373 B1Telecom Internet Ltd. · 2001
- Subscriber call routing processing system237US 5,452,350 AAdvantis · 1995
- Telecommunications call management system235US 5,799,072 ACallManage Ltd. · 1998
- Bidding for telecommunications traffic229US 5,606,602 ASummit Telecom Systems, Inc. · 1997