Inventor
ROBBINS DAVID C
US26 patents
⚠️ This page may combine multiple inventors who share the name “ROBBINS DAVID C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROBBINS DAVID C
12 patentsUS8885639B1Nov 11, 2014
Method and system for providing talking call waiting in a SIP-based network
ROBBINS DAVID C26 citations96
US8908835B1Dec 9, 2014
Method and system for providing forced hold behavior in a SIP-based network
ROBBINS DAVID C13 citations92
US8130639B1Mar 6, 2012
Method and system for providing distinctive announcements in a SIP-based network
ROBBINS DAVID C7 citations92
US8116302B1Feb 14, 2012
Method and system for providing call screening in a packet-switched network
ROBBINS DAVID C17 citations92
US9319530B2Apr 19, 2016
Method and system for providing telemetry, verification and/or other access in a SIP-based network
ROBBINS DAVID C3 citations84
US9241074B1Jan 19, 2016
Method and system for providing variable dial pattern provisioning in a SIP-based network
ROBBINS DAVID C3 citations84
US8462772B1Jun 11, 2013
Method and system for providing party line emulation in a SIP-based network
ROBBINS DAVID C5 citations84
US8144693B1Mar 27, 2012
Method and system for providing telemetry, verification and/or other access in a SIP-based network
ROBBINS DAVID C6 citations84
US8873548B1Oct 28, 2014
Method and system for providing call-forwarding status indications in a packet-switched network
ROBBINS DAVID C3 citations73
US8165280B1Apr 24, 2012
Method and system for providing busy override service in a SIP-based network
ROBBINS DAVID C5 citations73
US8447019B2May 21, 2013
Method and system for providing call screening in a packet-switched network
ROBBINS DAVID C0 citations62
US8320532B1Nov 27, 2012
Method and system for providing voice dialing service in a SIP-based network
ROBBINS DAVID C1 citations62
VERIZON PATENT & LICENSING INC
6 patentsUS7668157B2Feb 23, 2010
Presence based telephony
VERIZON PATENT & LICENSING INC240 citations97
US8363812B1Jan 29, 2013
Method and system for providing call parking in a SIP-based network
VERIZON PATENT & LICENSING INC6 citations92
US9191521B2Nov 17, 2015
Method and system for providing call waiting features in a SIP-based network
VERIZON PATENT & LICENSING INC2 citations74
US8374166B1Feb 12, 2013
Method and system for providing call waiting features in a SIP-based network
VERIZON PATENT & LICENSING INC1 citations63
US8867725B2Oct 21, 2014
System and method for providing custom alerts
VERIZON PATENT & LICENSING INC0 citations51
US9942692B2Apr 10, 2018
One touch machine to machine device connection
VERIZON PATENT & LICENSING INC0 citations41
VERIZON LAB INC
3 patentsUS7251317B1Jul 31, 2007
Methods and systems for making telephone calls
VERIZON LAB INC32 citations92
US7159039B1Jan 2, 2007
Systems and methods for providing in-band and out-band message processing
VERIZON LAB INC34 citations87
US7424101B2Sep 9, 2008
Methods and systems for making telephone calls
VERIZON LAB INC0 citations51