H04Q 2213/13384
Inter-pbx traffic, pbx networks
Official title: Inter-PBX traffic, PBX networks, e.g. corporate networks
H04Q2213/13384 (Inter-pbx traffic, pbx networks) appears on 226 US grants and 149 published applications in this corpus.
Search patents in H04Q- Granted patents
- 226
- Published applications
- 149
- Assignees
- 93
- Inventors
- 393
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 15 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 19 |
| 2003 | 17 | 11 |
| 2004 | 21 | 14 |
| 2005 | 4 | 11 |
| 2006 | 9 | 8 |
| 2007 | 8 | 15 |
| 2008 | 7 | 3 |
| 2009 | 7 | 3 |
| 2010 | 7 | 7 |
| 2011 | 8 | 7 |
| 2012 | 13 | 4 |
| 2013 | 11 | 7 |
| 2014 | 9 | 4 |
| 2015 | 7 | 5 |
| 2016 | 3 | 3 |
| 2017 | 6 | 5 |
| 2018 | 7 | 8 |
| 2019 | 4 | 3 |
| 2020 | 2 | 3 |
| 2021 | 3 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Producing routing information for voice over IP communications4 Aug 2026US 12,701,077 B2VolP-Pal.com, Inc.
- Calling line/name identification of enterprise subscribers in mobile calls23 Sep 2025US 12,425,814 B2Tango Networks, Inc.
- Determining a time to permit a communications session to be conducted19 Aug 2025US 12,395,425 B2VolP-Pal.com, 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.
- Determining a Time to Permit a Communications Session to be Conducted4 Dec 2025US 2025/0373732 A1Voip-Pal.Com, 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.
- Determining a Time to Permit a Communications Session to Be Conducted3 Mar 2022US 2022/0070088 A1Voip-Pal. Com, Inc.
Most cited
By later US patents
- System and method for enabling DTMF detection in a VoIP network246US 8,271,049 B2Tango Networks, Inc. · 2012
- Enterprise voice over internet protocol (VoIP) virtual private network (VPN)223US 7,330,463 B1Nortel Networks Limited · 2008
- Method of providing virtual private network telephone service201US 4,348,554 ABell Telephone Laboratories, Incorporated · 1982
- System and method for speeding call originations to a variety of devices using intelligent predictive techniques for half-call routing196US 8,666,395 B2Tango Networks, Inc. · 2014
- Method for providing quality of service for delay sensitive traffic over IP networks180US 6,529,499 B1Lucent Technologies Inc. · 2003