H04M 2207/45
Public-private interworking
Official title: public-private interworking, e.g. centrex
H04M2207/45 (Public-private interworking) appears on 25 US grants and 20 published applications in this corpus.
Search patents in H04M- Granted patents
- 25
- Published applications
- 20
- Assignees
- 21
- Inventors
- 80
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 4 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 4 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 4 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Techniques for managing user transmission rates in a communications network12 Apr 2022US 11,303,752 B1Bandwidth Inc.
- Operating a network node24 Oct 2017US 9,800,957 B2Metaswitch Networks Ltd.
- Cloud agent realizing method and system, and cloud agent server30 Aug 2016US 9,432,512 B2Zte Corporation
- System, method, and computer program product for storing data associated with origination processing of a call11 Jun 2013US 8,462,929 B1BroadSoft, Inc.
- Call-processing rate quote system and method11 Sep 2012US 8,265,245 B2Level 3 Communications, LLC
- Systems and methods for providing a fixed mobile convergence service13 Mar 2025US 2025/0089104 A1Jio Platforms Limited
- Operating a network node23 Feb 2017US 2017/0055047 A1Metaswitch Networks Ltd.
- Intelligent independent call server5 Jan 2017US 2017/0006444 A1
- Cloud agent realizing method and system, and cloud agent server20 Nov 2014US 2014/0341367 A1Zte Corporation
- Application server for provisioning a controlled communciations system in a cloud-based environment4 Oct 2012US 2012/0254293 A1Cambrai Solutions Inc.
Most cited
By later US patents
- Distributed network voice messaging for wireless centrex telephony251US 6,961,559 B1AT&T Corp. · 2005
- Method and system for dynamic selection of voice mail system147US 7,260,384 B2Sprint Spectrum L. P. · 2007
- Virtual wide area centrex91US 5,892,821 ABell Sygma Inc. · 1999
- Call-processing system and method83US 6,643,362 B2Global Crossing, Ltd. · 2003
- Methods and apparatus for facilitating the interaction between multiple telephone and computer users57US 6,920,213 B2Verizon Services Corp. · 2005