H04M 3/42323
Pbx's with cti arrangements
Official title: {PBX's with CTI arrangements}
H04M3/42323 (Pbx's with cti arrangements) appears on 815 US grants and 491 published applications in this corpus.
Search patents in H04M- Granted patents
- 815
- Published applications
- 491
- Assignees
- 275
- Inventors
- 994
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 13 | 0 |
| 1997 | 21 | 0 |
| 1998 | 39 | 0 |
| 1999 | 64 | 0 |
| 2000 | 50 | 0 |
| 2001 | 68 | 35 |
| 2002 | 66 | 63 |
| 2003 | 49 | 50 |
| 2004 | 48 | 52 |
| 2005 | 29 | 42 |
| 2006 | 39 | 34 |
| 2007 | 24 | 28 |
| 2008 | 26 | 37 |
| 2009 | 28 | 21 |
| 2010 | 25 | 18 |
| 2011 | 17 | 16 |
| 2012 | 31 | 15 |
| 2013 | 29 | 13 |
| 2014 | 19 | 12 |
| 2015 | 22 | 10 |
| 2016 | 14 | 11 |
| 2017 | 16 | 6 |
| 2018 | 12 | 10 |
| 2019 | 12 | 6 |
| 2020 | 14 | 7 |
| 2021 | 7 | 2 |
| 2022 | 7 | 2 |
| 2023 | 8 | 1 |
| 2024 | 2 | 0 |
| 2025 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Intelligent call handling and routing18 Nov 2025US 12,477,043 B18x8, Inc.
- Systems and methods for call routing using generic call control platforms9 Sep 2025US 12,413,673 B2JPMorgan Chase Bank, N. A.
- Method and system for a multitenancy telephone network13 May 2025US 12,301,766 B2Twilio Inc.
- Non-associative telephony and SMS messaging28 Jan 2025US 12,212,711 B1Cyber IP Holdings, LLC
- Customization of alerts using telecommunications services24 Sep 2024US 12,101,436 B18x8, Inc.
- Method and system for a multitenancy telephone network7 Dec 2023US 2023/0396713 A1Twilio Inc.
- Systems and methods for call routing using generic call control platforms26 May 2022US 2022/0166881 A1JPMorgan Chase Bank, N. A.
- Method and system for a multitenancy telephone network27 Jan 2022US 2022/0030114 A1Twilio Inc.
- System and method for tracking and archiving mobile communications16 Sep 2021US 2021/0289069 A1CellTrust Corporation
- System and method for associating audio clips with objects20 May 2021US 2021/0152696 A1Quest Patent Research Corporation
Most cited
By later US patents
- System, method and article of manufacture for communications utilizing calling, plans in a hybrid network1,175US 5,867,495 AMCI Communications Corporations · 1999
- System for coordinating communications via customer contact channel changing system using call centre for setting up the call between customer and an available help agent953US 5,884,032 AThe New Brunswick Telephone Company, Limited · 1999
- System, method and article of manufacture with integrated video conferencing billing in a communication system architecture751US 5,867,494 AMCI Communication Corporation · 1999
- Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network741US 5,617,539 AVicor Corporation · 1997
- Call management system with call control from user workstation computers734US 5,946,386 AXantel Corporation · 1999