H04M 7/1275
Methods and means to improve the telephone service quality
Official title: {Methods and means to improve the telephone service quality, e.g. reservation, prioritisation or admission control}
H04M7/1275 (Methods and means to improve the telephone service quality) appears on 88 US grants and 81 published applications in this corpus.
Search patents in H04M- Granted patents
- 88
- Published applications
- 81
- Assignees
- 68
- Inventors
- 183
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 4 |
| 2003 | 2 | 8 |
| 2004 | 7 | 5 |
| 2005 | 4 | 2 |
| 2006 | 3 | 11 |
| 2007 | 7 | 3 |
| 2008 | 3 | 3 |
| 2009 | 5 | 6 |
| 2010 | 2 | 2 |
| 2011 | 8 | 0 |
| 2012 | 9 | 2 |
| 2013 | 0 | 2 |
| 2014 | 3 | 3 |
| 2015 | 2 | 5 |
| 2016 | 7 | 11 |
| 2017 | 5 | 4 |
| 2018 | 3 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Queuing calls based on disturbance26 Aug 2025US 12,401,746 B2Intrado Life & Safety, Inc.
- Mitigating disturbances at a call center13 May 2025US 12,301,755 B2Intrado Life & Safety, Inc.
- Enabling a wideband codec audio call between a mobile device and a wireless telecommunication network support center12 Nov 2024US 12,143,428 B2T-Mobile USA, Inc.
- Voice packets over the control plane9 Jul 2024US 12,034,889 B2T-Mobile USA, Inc.
- Queuing calls based on disturbance5 Dec 2023US 11,838,444 B1Intrado Life & Safety, Inc.
- Mitigating disturbances at a call center6 Nov 2025US 2025/0343856 A1Intrado Life & Safety, Inc.
- Enabling a wideband codec audio call between a mobile device and a wireless telecommunication network support center20 Feb 2025US 2025/0063072 A1T-Mobile USA, Inc.
- Enabling a wideband codec audio call between a mobile device and a wireless telecommunication network support center30 May 2024US 2024/0179190 A1T-Mobile USA, Inc.
- Queuing calls based on disturbance22 Feb 2024US 2024/0064235 A1Intrado Life & Safety, Inc.
- Mitigating disturbances at a call center22 Feb 2024US 2024/0064236 A1Intrado Life & Safety, Inc.
Most cited
By later US patents
- System and method for providing requested quality of service in a hybrid network755US 6,335,927 B12002
- Method for providing IP telephony with QoS using end-to-end RSVP signaling293US 6,366,577 B1MCI WorldCom, Inc. · 2002
- Internet protocol (IP) emergency connections (ITEC) telephony243US 6,678,357 B2Siemens Information and Communication Networks, Inc. · 2004
- Method of sizing packets for routing over a communication network for VoIP calls on a per call basis221US 8,199,762 B2AT&T Intellectual Property II, L. P. · 2012
- Method for exchanging signaling messages in two phases213US 6,324,279 B1AT&T Corp. · 2001