Inventor
WENGROVITZ MICHAEL
US13 patents
⚠️ This page may combine multiple inventors who share the name “WENGROVITZ MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIT ALCATEL
5 patentsUS7035248B2Apr 25, 2006
Switch with emulation client
CIT ALCATEL58 citations95
US7002912B2Feb 21, 2006
Architecture for transporting PBX signaling codes via SIP
CIT ALCATEL44 citations91
US6909778B2Jun 21, 2005
Enhanced IP phone operation
CIT ALCATEL40 citations91
US6754314B2Jun 22, 2004
Digital text messaging system and method
CIT ALCATEL8 citations73
US7095836B2Aug 22, 2006
Enhanced IP phone operation
CIT ALCATEL6 citations72
ALCATEL LUCENT
3 patentsUS7852859B2Dec 14, 2010
System and method for interfacing legacy IP-PBX systems to SIP networks
ALCATEL LUCENT11 citations83
US7747761B2Jun 29, 2010
Session initiation protocol routing using voice cookies
ALCATEL LUCENT12 citations83
US8040873B2Oct 18, 2011
Distributed integration of legacy PBX system with SIP networks
ALCATEL LUCENT5 citations57
MUTUALINK INC
3 patentsUS11671473B2Jun 6, 2023
Implementing push-to-talk in a multimedia conferencing system
MUTUALINK INC1 citations68
US12218993B2Feb 4, 2025
Implementing push-to-talk in a multimedia conferencing system
MUTUALINK INC0 citations58
US10862932B2Dec 8, 2020
Implementing push-to-talk in a multimedia conferencing system
MUTUALINK INC1 citations58