Inventor
WALLACE ANDREW D
GB7 patents
⚠️ This page may combine multiple inventors who share the name “WALLACE ANDREW D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
3 patentsUS6272209B1Aug 7, 2001
Lifeline telephony provision for voice over digital subscriber line
NORTEL NETWORKS LTD107 citations95
US6647117B1Nov 11, 2003
Continuity of voice carried over DSL during power failure
NORTEL NETWORKS LTD65 citations93
US6522691B1Feb 18, 2003
Method of and apparatus for determining the capacity of a telecommunications system
NORTEL NETWORKS LTD7 citations71