H04M 2203/15
Related to dial plan and call routing
Official title: related to dial plan and call routing
H04M2203/15 (Related to dial plan and call routing) appears on 245 US grants and 182 published applications in this corpus.
Search patents in H04M- Granted patents
- 245
- Published applications
- 182
- Assignees
- 124
- Inventors
- 440
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 3 | 4 |
| 2006 | 0 | 2 |
| 2007 | 0 | 6 |
| 2008 | 0 | 5 |
| 2009 | 1 | 3 |
| 2010 | 2 | 7 |
| 2011 | 2 | 3 |
| 2012 | 10 | 12 |
| 2013 | 16 | 11 |
| 2014 | 18 | 10 |
| 2015 | 16 | 8 |
| 2016 | 17 | 12 |
| 2017 | 25 | 23 |
| 2018 | 13 | 13 |
| 2019 | 22 | 8 |
| 2020 | 16 | 9 |
| 2021 | 12 | 7 |
| 2022 | 11 | 11 |
| 2023 | 14 | 9 |
| 2024 | 16 | 5 |
| 2025 | 4 | 7 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Voice service routing system for accessibility8 Sep 2026US 12,732,549 B2Comcast Cable Communications, LLC
- Enhanced communication services based on itinerary data4 Aug 2026US 12,701,390 B2T-Mobile USA, Inc.
- Cloud-based voice calling service, video calling service, and over-the-top services30 Jun 2026US 12,671,761 B2Level 3 Communications, LLC
- Network traffic management at radio-based application pipeline processing servers29 Jul 2025US 12,375,554 B2Amazon Technologies, Inc.
- Routing an inbound call to a virtual meeting via an interactive voice response system1 Jul 2025US 12,348,672 B2Zoom Communications, Inc.
- Inbound Telephone Extension Call Routing Via A Routing Rule25 Sep 2025US 2025/0301062 A1Zoom Communications, Inc.
- Dynamic communication management system8 May 2025US 2025/0150538 A1Callfire, Inc.
- Cloud-based voice calling service, video calling service, and over-the-top services24 Apr 2025US 2025/0133163 A1Level 3 Communications, LLC
- Method and system for managing routing across multiple networks with separate routing masters30 Jan 2025US 2025/0039305 A1Level 3 Communications, LLC
- Voice service routing system for accessibility16 Jan 2025US 2025/0023928 A1Comcast Cable Communications, LLC
Most cited
By later US patents
- Call notification feature for a telephone line connected to the internet657US 5,805,587 AAT&T Corp. · 1998
- Method and apparatus permitting notification and control of blocked incoming calls over a data network507US 5,809,128 AInteractive Telecom Inc. · 1998
- System and method for providing a remote user with a virtual presence to an office324US 5,889,845 AData Race, Inc. · 1999
- Personal mobility and communication termination for users operating in a plurality of heterogeneous networks297US 6,161,008 ANortel Networks Limited · 2000
- Internet call waiting282US 6,078,581 AGenesys Telecommunications Laboratories, Inc. · 2000