H04M 5/12
Calling substations
Official title: Calling substations, e.g. by ringing
H04M5/12 (Calling substations) appears on 7 US grants and 8 published applications in this corpus.
Search patents in H04M- Granted patents
- 7
- Published applications
- 8
- Assignees
- 3
- Inventors
- 5
- Latest grant
- 24 Jul 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
By publication year.
Recent patents
- System and method for enabling VPN-less session setup for connecting mobile data devices to an enterprise data network24 Jul 2018US 10,034,220 B2Tango Networks, Inc.
- System and method for enabling VPN-less session setup for connecting mobile data devices to an enterprise data network12 Sep 2017US 9,763,164 B2Tango Networks, Inc.
- Hybrid location18 Apr 2017US 9,628,521 B2TeleCommunication Systems, Inc.
- System and method for enabling VPN-less session setup for connecting mobile data devices to an enterprise data network19 May 2015US 9,036,591 B2Tango Networks, Inc.
- System and method for enabling VPN-less session setup for connecting mobile data devices to an enterprise data network17 Sep 2013US 8,537,770 B2Tango Networks, Inc.
- System and method for enabling vpn-less session setup for connecting mobile data devices to an enterprise data network13 Dec 2018US 2018/0359676 A1Tango Networks, Inc.
- System and method for enabling vpn-less session setup for connecting mobile data devices to an enterprise data network11 Jan 2018US 2018/0014240 A1Tango Networks, Inc.
- Hybrid location11 Feb 2016US 2016/0044065 A1TeleCommunication Systems, Inc.
- System and method for enabling vpn-less session setup for connecting mobile data devices to an enterprise data network22 Oct 2015US 2015/0304935 A1Tango Networks, Inc.
- System and method for enabling vpn-less session setup for connecting mobile data devices to an enterprise data network12 Dec 2013US 2013/0329884 A1Tango Networks, Inc.
Most cited
By later US patents
- System and method for enabling VPN-less session setup for connecting mobile data devices to an enterprise data network17US 10,034,220 B2Tango Networks, Inc. · 2018
- Method and apparatus for extending calls to internal switch extensions out to external network endpoints7US 6,751,309 B2Avaya Technology Corp. · 2004
- System and method for enabling VPN-less session setup for connecting mobile data devices to an enterprise data network4US 8,537,770 B2Tango Networks, Inc. · 2013
- Hybrid location3US 9,628,521 B2TeleCommunication Systems, Inc. · 2017
- System and method for enabling VPN-less session setup for connecting mobile data devices to an enterprise data network2US 9,036,591 B2Tango Networks, Inc. · 2015