H04M 3/2218
Call detail recording
Official title: {Call detail recording}
H04M3/2218 (Call detail recording) appears on 1,129 US grants and 1,041 published applications in this corpus.
Search patents in H04M- Granted patents
- 1,129
- Published applications
- 1,041
- Assignees
- 378
- Inventors
- 1,696
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 28 | 10 |
| 2002 | 15 | 43 |
| 2003 | 19 | 48 |
| 2004 | 30 | 32 |
| 2005 | 18 | 36 |
| 2006 | 28 | 37 |
| 2007 | 33 | 26 |
| 2008 | 23 | 33 |
| 2009 | 20 | 14 |
| 2010 | 25 | 25 |
| 2011 | 16 | 34 |
| 2012 | 39 | 36 |
| 2013 | 44 | 21 |
| 2014 | 46 | 57 |
| 2015 | 62 | 63 |
| 2016 | 57 | 75 |
| 2017 | 95 | 52 |
| 2018 | 55 | 29 |
| 2019 | 80 | 99 |
| 2020 | 93 | 50 |
| 2021 | 48 | 53 |
| 2022 | 65 | 54 |
| 2023 | 51 | 39 |
| 2024 | 42 | 32 |
| 2025 | 36 | 32 |
| 2026 | 19 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automated call list based on similar discussions29 Sep 2026US 12,750,443 B2The Toronto-Dominion Bank
- Identifying and processing, for priority, calls in data communications server8 Sep 2026US 12,732,579 B18x8, Inc.
- Deriving updates to an emergency user profile from communications associated with an emergency incident1 Sep 2026US 12,726,565 B2Motorola Solutions, Inc.
- Forecasting call quality using machine learning techniques25 Aug 2026US 12,719,982 B2Dell Products L. P.
- Systems and methods for maintaining extracted data in a group node profile from electronic activities7 Jul 2026US 12,675,773 B2People. ai, Inc.
- Systems and methods for a contact flow visualizer10 Sep 2026US 2026/0270342 A1State Farm Mutual Automobile Insurance Company
- Systems and methods for artificial traffic detection27 Aug 2026US 2026/0254791 A1Infobip Ltd.
- System and Method of Improving Communication Skills for High Client Conversation Rate25 Jun 2026US 2026/0181077 A1
- Systems and methods for confirming meeting events using electronic activities11 Jun 2026US 2026/0162067 A1People. ai, Inc.
- Prioritizing telecommunications subscribers based on collected telecommunications data11 Jun 2026US 2026/0163974 A1T-Mobile Innovations LLC
Most cited
By later US patents
- System and method for generating a dynamic interface via a communications network2,178US 6,850,949 B2Right Now Technologies, Inc. · 2005
- System and method for providing an on-line directory service580US 5,850,433 ASprint Communication Company L.P. · 1998
- Method and apparatus for determining and initiating interaction directionality within a multimedia communication center530US 6,170,011 AGenesys Telecommunications Laboratories, Inc. · 2001
- Method and apparatus for supporting diverse interaction paths within a multimedia communication center471US 6,138,139 AGenesys Telecommunications Laboraties, Inc. · 2000
- Method and system for delivery of individualized training to call center agents455US 6,324,282 B1Knowlagent, Inc. · 2001