H04Q 2213/13224
Off-net subscriber, dial in to/out from network, teleworking
H04Q2213/13224 (Off-net subscriber, dial in to/out from network, teleworking) appears on 123 US grants and 75 published applications in this corpus.
Search patents in H04Q- Granted patents
- 123
- Published applications
- 75
- Assignees
- 46
- Inventors
- 134
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 11 |
| 2003 | 7 | 4 |
| 2004 | 2 | 5 |
| 2005 | 5 | 7 |
| 2006 | 2 | 0 |
| 2007 | 3 | 8 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 3 | 5 |
| 2012 | 4 | 3 |
| 2013 | 8 | 3 |
| 2014 | 5 | 1 |
| 2015 | 4 | 5 |
| 2016 | 2 | 1 |
| 2017 | 3 | 3 |
| 2018 | 4 | 5 |
| 2019 | 3 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Calling line/name identification of enterprise subscribers in mobile calls23 Sep 2025US 12,425,814 B2Tango Networks, Inc.
- System and method for executing originating services in a terminating network for IMS and non-IMS applications27 Aug 2024US 12,075,327 B2Tango Networks, Inc.
- Call flow system and method for use in a legacy telecommunication system9 Jan 2024US 11,871,216 B2Tango Networks, Inc.
- Call flow system and method for use in a VoIP telecommunication system19 Dec 2023US 11,849,380 B2Tango Networks, Inc.
- Calling line/name identification of enterprise subscribers in mobile calls4 Apr 2023US 11,622,311 B2Tango Networks, Inc.
- Calling line/name identification of enterprise subscribers in mobile calls3 Aug 2023US 2023/0247515 A1Tango Networks, Inc.
- System and method for executing originating services in a terminating network for ims and non-ims applications1 Dec 2022US 2022/0386213 A1Tango Networks, Inc.
- Call flow system and method for use in a legacy telecommunication system24 Nov 2022US 2022/0377642 A1Tango Networks, Inc.
- Call flow system and method for use in a voip telecommunication system15 Jul 2021US 2021/0219205 A1Tango Networks, Inc.
- Call flow system and method for use in a legacy telecommunication system20 May 2021US 2021/0153096 A1Tango Networks, Inc.
Most cited
By later US patents
- Cable connected wan interconnectivity services for corporate telecommuters702US 6,452,923 B1AT&T Corp. · 2002
- Telephone control system with branch routing343US 5,375,161 AAccessLine Technologies, Inc. · 1994
- Methods and systems for conference call buffering253US 7,418,090 B2Telesector Resources Group, Inc. · 2008
- System and method for enabling DTMF detection in a VoIP network246US 8,271,049 B2Tango Networks, Inc. · 2012
- Remote access telephone control system221US 4,893,335 AFuller Research and Development Company · 1990