H04M 7/1205
Where the types of switching equipement comprises pstn/isdn equipment and switching equipment
Official title: {where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks}
H04M7/1205 (Where the types of switching equipement comprises pstn/isdn equipment and switching equipment) appears on 2,955 US grants and 2,831 published applications in this corpus.
Search patents in H04M- Granted patents
- 2,955
- Published applications
- 2,831
- Assignees
- 929
- Inventors
- 5,019
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 24 | 0 |
| 2000 | 52 | 0 |
| 2001 | 89 | 51 |
| 2002 | 108 | 198 |
| 2003 | 99 | 210 |
| 2004 | 162 | 197 |
| 2005 | 108 | 176 |
| 2006 | 182 | 218 |
| 2007 | 134 | 221 |
| 2008 | 134 | 196 |
| 2009 | 139 | 153 |
| 2010 | 162 | 162 |
| 2011 | 147 | 131 |
| 2012 | 199 | 113 |
| 2013 | 190 | 114 |
| 2014 | 197 | 104 |
| 2015 | 148 | 119 |
| 2016 | 131 | 109 |
| 2017 | 99 | 75 |
| 2018 | 73 | 59 |
| 2019 | 86 | 45 |
| 2020 | 64 | 44 |
| 2021 | 45 | 39 |
| 2022 | 40 | 29 |
| 2023 | 29 | 28 |
| 2024 | 39 | 23 |
| 2025 | 21 | 8 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04M 7/128Details of addressing, directories or routing tables637
- H04M 7/1225Details of core network interconnection arrangements632
- H04M 7/1295Details of dual tone multiple frequency signalling450
- H04M 7/126Interworking of session control protocols398
- H04M 7/125Details of gateway equipment383
- H04M 7/121Details of network access arrangements or protocols291
- H04M 7/1285Details of finding and selecting a gateway for a particular call221
- H04M 7/1245Where a network other than pstn/isdn interconnects two pstn/isdn networks212
Recent patents
- Dynamic direction of incoming calls29 Sep 2026US 12,750,442 B18x8, Inc.
- Exchange, and telephone exchange method25 Aug 2026US 12,719,983 B2NEC Platforms, Ltd.
- Remote control of a web browser30 Jun 2026US 12,671,762 B2
- Compute systems and processes for video messages16 Jun 2026US 12,659,408 B2Let's Roll Marketing LLC.
- Call transferring by detecting the presence of a terminal in a local network16 Jun 2026US 12,659,409 B2Orange
- Call classification through analysis of dtmf events17 Sep 2026US 2026/0281227 A1Pindrop Security, Inc.
- Compute systems and processes for video messages10 Sep 2026US 2026/0270347 A1Let's Roll Marketing LLC.
- Gets call pin sharing via ims data channel13 Aug 2026US 2026/0238687 A1T-Mobile USA, Inc.
- Gets call pin sharing via ims data channel13 Aug 2026US 2026/0238721 A1T-Mobile USA, Inc.
- Systems and Methods for Automated Call Acceptance of Facility-Originated Telephone Calls with Prerecorded Preambles26 Mar 2026US 2026/0089257 A1
Most cited
By later US patents
- Unified messaging system and method1,307US 5,608,786 AAlphanet Telecom Inc. · 1997
- System, method and article of manufacture for communications utilizing calling, plans in a hybrid network1,175US 5,867,495 AMCI Communications Corporations · 1999
- Distributed system to intelligently establish sessions between anonymous users over various networks1,052US 6,564,261 B1Telefonaktiebolaget LM Ericsson (publ) · 2003
- Method for video telephony over a hybrid network915US 5,999,525 AMCI Communications Corporation · 1999
- Voice over data telecommunications network architecture778US 6,614,781 B1Level 3 Communications, LLC · 2003