H04M 7/126
Interworking of session control protocols
Official title: {Interworking of session control protocols}
H04M7/126 (Interworking of session control protocols) appears on 398 US grants and 370 published applications in this corpus.
Search patents in H04M- Granted patents
- 398
- Published applications
- 370
- Assignees
- 181
- Inventors
- 711
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 19 | 4 |
| 2002 | 10 | 29 |
| 2003 | 18 | 34 |
| 2004 | 20 | 32 |
| 2005 | 14 | 17 |
| 2006 | 28 | 27 |
| 2007 | 17 | 38 |
| 2008 | 19 | 25 |
| 2009 | 23 | 14 |
| 2010 | 19 | 21 |
| 2011 | 20 | 12 |
| 2012 | 23 | 15 |
| 2013 | 19 | 7 |
| 2014 | 22 | 14 |
| 2015 | 24 | 19 |
| 2016 | 20 | 15 |
| 2017 | 13 | 6 |
| 2018 | 10 | 9 |
| 2019 | 13 | 6 |
| 2020 | 10 | 9 |
| 2021 | 7 | 6 |
| 2022 | 4 | 5 |
| 2023 | 5 | 4 |
| 2024 | 8 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compute systems and processes for video messages16 Jun 2026US 12,659,408 B2Let's Roll Marketing LLC.
- Systems and methods for call routing using generic call control platforms9 Sep 2025US 12,413,673 B2JPMorgan Chase Bank, N. A.
- Gateway device and method for managing voice calls9 Sep 2025US 12,413,676 B1TP-Link Systems Inc.
- Voice enabled IoT using second line service24 Dec 2024US 12,177,386 B2Movius Interactive Corporation
- Mobile application for providing multiple second line numbers on single mobile device20 Aug 2024US 12,069,207 B2Movius Interactive Corporation
- Compute systems and processes for video messages10 Sep 2026US 2026/0270347 A1Let's Roll Marketing LLC.
- Compute systems and processes for video messages1 Jan 2026US 2026/0006131 A1Let's Roll Marketing LLC.
- Mobile application for providing multiple second line numbers on single mobile device15 Jun 2023US 2023/0188953 A1Movius Interactive Corporation
- Breakout gateway control function number modification based on sip invite header information18 May 2023US 2023/0156865 A1T-Mobile USA, Inc.
- Voice enabled iot using second line service27 Apr 2023US 2023/0127191 A1Movius Interactive Corporation
Most cited
By later US patents
- Network session management327US 6,157,648 ABell Atlantic Network Services, Inc. · 2000
- Personal user network (closed user network) PUN/CUN317US 6,252,952 B1AT&T Corp. · 2001
- Chase me system306US 6,373,817 B1AT&T Corp. · 2002
- Broadband cable telephony network architecture IP ITN network architecture reference model289US 7,120,139 B1AT&T Corp. · 2006
- Storing information about a telephony session272US 6,778,653 B1Nortel Networks Limited · 2004