Inventor
GOLKA KEVIN W
CA4 patents
Patents
4 patentsUS6510219B1Jan 21, 2003
Alternate network fallback for IP telephony
NORTEL NETWORKS LTD124 citations93
US6771773B1Aug 3, 2004
Digital switching system with shared analog line
NORTEL NETWORKS LTD73 citations92
US6507648B1Jan 14, 2003
Method and apparatus for prioritizing voice and data in a circuit-switched network
NORTEL NETWORKS LTD26 citations86
US7058175B2Jun 6, 2006
Digital switching system with shared analog line
NORTEL NETWORKS LTD2 citations57