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Inventor
SIT HAROLD
CA
3 patents
⚠️ This page may combine multiple inventors who share the name “SIT HAROLD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITEL KNOWLEDGE CORP
1 patent
US6819665B1
Nov 16, 2004
Private branch exchange implemented using H.323 gatekeeper
MITEL KNOWLEDGE CORP
20 citations
89
MITEL CORP
1 patent
US5657446A
Aug 12, 1997
Local area communications server
MITEL CORP
27 citations
86
MITEL NETWORKS CORP
1 patent
US7203189B2
Apr 10, 2007
Network implemented communication system
MITEL NETWORKS CORP
5 citations
59