H04M 2215/7485
Group call
Official title: Group call; Conference call; Multi Party Call
H04M2215/7485 (Group call) appears on 6 US grants and 9 published applications in this corpus.
Search patents in H04M- Granted patents
- 6
- Published applications
- 9
- Assignees
- 5
- Inventors
- 19
- Latest grant
- 17 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year.
Recent patents
- Method and system for fairly charging talk time of video call that introduces new person17 Jan 2023US 11,558,721 B2LINE Plus Corporation
- Method and device for operating a group service in a communications network26 Aug 2014US 8,819,204 B2Nokia Siemens Networks Oy
- Detecting events occurring on remote telephone12 Aug 2014US 8,804,945 B1Securus Technologies, Inc.
- Method, device, and system for implementing communication services2 Jul 2013US 8,477,669 B2Huawei Technologies Co., Ltd.
- Reducing latency in a prepaid group communication session within a wireless communications system1 Jan 2013US 8,346,211 B2QUALCOMM Incorporated
- Replaceable artificial intelligence models for voice and text channels27 Feb 2025US 2025/0071211 A1
- Method and system for fairly charging talk time of video call that introduces new person29 Apr 2021US 2021/0127239 A1LINE Plus Corporation
- Method and device for operating a group service in a communications network1 Dec 2011US 2011/0295994 A1Nokia Siemens Networks Oy
- Method, device, and system for implementing communication services1 Sep 2011US 2011/0211509 A1Huawei Technologies Co., Ltd.
- Method, system and apparatus of charging for group mode service13 Jan 2011US 2011/0009089 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Reducing latency in a prepaid group communication session within a wireless communications system3US 8,346,211 B2QUALCOMM Incorporated · 2013
- Method and apparatus for detecting and responding to events occurring on remote telephone1US 8,135,127 B2Securus Technologies, Inc. · 2012
- Method and device for operating a group service in a communications network1US 8,819,204 B2Nokia Siemens Networks Oy · 2014