H04L 65/1053
Ip private branch exchange [pbx] functionality entities or arrangements
Official title: IP private branch exchange [PBX] functionality entities or arrangements (circuit switched PBXs H04M3/00)
H04L65/1053 (Ip private branch exchange [pbx] functionality entities or arrangements) appears on 448 US grants and 436 published applications in this corpus.
Search patents in H04L- Granted patents
- 448
- Published applications
- 436
- Assignees
- 188
- Inventors
- 714
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 3 |
| 2003 | 2 | 5 |
| 2004 | 2 | 4 |
| 2005 | 2 | 7 |
| 2006 | 8 | 12 |
| 2007 | 8 | 20 |
| 2008 | 3 | 19 |
| 2009 | 9 | 19 |
| 2010 | 17 | 29 |
| 2011 | 11 | 35 |
| 2012 | 34 | 26 |
| 2013 | 31 | 25 |
| 2014 | 32 | 24 |
| 2015 | 36 | 29 |
| 2016 | 24 | 18 |
| 2017 | 23 | 18 |
| 2018 | 28 | 20 |
| 2019 | 25 | 17 |
| 2020 | 22 | 16 |
| 2021 | 24 | 11 |
| 2022 | 26 | 20 |
| 2023 | 29 | 25 |
| 2024 | 17 | 10 |
| 2025 | 18 | 14 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control of communication services management6 Oct 2026US 12,756,778 B2G.S. Consulting & Research Correnet Ltd
- Exchange, and telephone exchange method25 Aug 2026US 12,719,983 B2NEC Platforms, Ltd.
- Internet telephone system, private branch exchange device and customer service scheduling method25 Aug 2026US 12,719,987 B2Acer Incorporated
- Switching in progress inter-party communications to a client within range18 Aug 2026US 12,712,869 B2Zoom Communications, Inc.
- Network device and method for a universal central exchange18 Aug 2026US 12,712,926 B2Jio Platforms Limited
- Cloud-Based Call Routing Using a Unified Directory13 Aug 2026US 2026/0238518 A1Zoom Communications, Inc.
- Call handling systems and methods25 Jun 2026US 2026/0181026 A1Telefonaktiebolaget LM Ericsson (publ)
- Method and system for voip based peer to peer (p2p) communication30 Apr 2026US 2026/0122175 A1WizRocket Inc.
- System and methods for resource conservation during call hold23 Apr 2026US 2026/0113364 A1T-Mobile Innovations LLC
- System and Method for Dynamically Routing Call Data Between Client Devices and Public Branch Exchange Systems5 Feb 2026US 2026/0039980 A1Zebra Technologies Corporation
Most cited
By later US patents
- Apparatus and methods in routing internet protocol network telephony calls in a centrally-managed call center system435US 6,373,836 B1Genesys Telecommunications Laboratories, Inc. · 2002
- System and method to internetwork wireless telecommunication networks380US 6,996,076 B1Sonus Networks, Inc. · 2006
- Apparatus and method in improving e-mail routing in an internet protocol network telephony call-in-center306US 6,021,428 AGenesys Telecommunications Laboratories, Inc. · 2000
- System and method for enabling DTMF detection in a VoIP network246US 8,271,049 B2Tango Networks, Inc. · 2012
- Method and apparatus for monitoring and processing voice over internet protocol packets201US 7,209,473 B1Juniper Networks, Inc. · 2007