H04Q 2213/1328
Call transfer
Official title: Call transfer, e.g. in PBX
H04Q2213/1328 (Call transfer) appears on 138 US grants and 42 published applications in this corpus.
Search patents in H04Q- Granted patents
- 138
- Published applications
- 42
- Assignees
- 56
- Inventors
- 174
- Latest grant
- 6 Jun 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 15 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 4 |
| 2002 | 12 | 14 |
| 2003 | 5 | 7 |
| 2004 | 10 | 6 |
| 2005 | 5 | 1 |
| 2006 | 5 | 2 |
| 2007 | 6 | 1 |
| 2008 | 3 | 0 |
| 2009 | 2 | 2 |
| 2010 | 1 | 2 |
| 2011 | 3 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device and method allowing to successively use several terminal devices in a same voice communication6 Jun 2017US 9,674,348 B2Thomson Licensing
- Method and system for trunk independent gateway transfer of calls20 May 2014US 8,731,172 B2Verizon Patent and Licensing Inc.
- Local route groups and transformation patterns7 Jan 2014US 8,625,771 B2Cisco Technology, Inc.
- Method and system for trunk independent gateway transfer of calls23 Apr 2013US 8,428,243 B2Verizon Patent and Licensing Inc.
- Local route groups and transformation patterns6 Nov 2012US 8,306,210 B2Cisco Technology, Inc.
- Method and System for Trunk Independent Gateway Transfer of Calls22 Aug 2013US 2013/0215737 A1Verizon Data Services Inc.
- Local route groups and transformation patterns14 Mar 2013US 2013/0064361 A1Cisco Technology, Inc.
- Local Route Groups and Transformation Patterns26 Jan 2012US 2012/0020255 A1Cisco Technology, Inc.
- Methods and Devices for Control of Explicit Call Transfer22 Jul 2010US 2010/0184418 A1Telefonaktiebolaget LM Ericsson (publ)
- Method and system for trunk independent gateway transfer of calls24 Jun 2010US 2010/0158234 A1Verizon Data Services Inc.
Most cited
By later US patents
- Automatic call distribution based on matching required skills with agents skills797US 5,206,903 AAT&T Bell Laboratories · 1993
- Area wide centrex423US 5,247,571 ABell Atlantic Network Services, Inc. · 1993
- Telephonic-interface statistical analysis system311US 4,845,739 AFDR Interactive Technologies · 1989
- Method and apparatus for providing user controlled call management services292US 5,548,636 ANorthern Telecom Limited · 1996
- Method and apparatus for value-based queuing of telephone calls286US 6,088,444 AWalker Asset Management Limited Partnership · 2000