Inventor
LI XUEWEN
CN20 patents
⚠️ This page may combine multiple inventors who share the name “LI XUEWEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
8 patentsUS6798786B1Sep 28, 2004
Managing calls over a data network
NORTEL NETWORKS LTD286 citations98
US6591301B1Jul 8, 2003
Methods and systems for controlling network gatekeeper message processing
NORTEL NETWORKS LTD71 citations96
US6885658B1Apr 26, 2005
Method and apparatus for interworking between internet protocol (IP) telephony protocols
NORTEL NETWORKS LTD147 citations93
US6907462B1Jun 14, 2005
Network gatekeeper prioritizing method and system
NORTEL NETWORKS LTD33 citations92
US6961332B1Nov 1, 2005
Multiple appearance directory number support across packet- and circuit-switched networks
NORTEL NETWORKS LTD39 citations89
US6775277B1Aug 10, 2004
Methods and systems for processing calls in a packet network using peer call servers
NORTEL NETWORKS LTD29 citations89
US7801157B2Sep 21, 2010
Methods and systems for processing calls in a packet network using peer call servers
NORTEL NETWORKS LTD4 citations59
US7995561B2Aug 9, 2011
Techniques for implementing logical trunk groups with session initiation protocol (SIP)
NORTEL NETWORKS LTD2 citations56
LI XUEWEN
3 patentsGENBAND US LLC
3 patentsUS9591139B2Mar 7, 2017
Systems, methods, and computer program products for providing caller identity update information
GENBAND US LLC0 citations47
US8934481B2Jan 13, 2015
Loop condition prevention at internetwork interface boundary
GENBAND US LLC0 citations45
US10182159B2Jan 15, 2019
Configuration of shared trunk groups in an IP telephony network
GENBAND US LLC0 citations27