Inventor
PHELPS DAVID
US11 patents
⚠️ This page may combine multiple inventors who share the name “PHELPS DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MCI COMMUNICATIONS CORP
5 patentsUS6389126B1May 14, 2002
Service provisioning system for interactive voice response services
MCI COMMUNICATIONS CORP121 citations95
US6647111B1Nov 11, 2003
System for executing advanced interactive voice response services using service-independent building blocks
MCI COMMUNICATIONS CORP65 citations93
US6493353B2Dec 10, 2002
Communications signaling gateway and system for an advanced service node
MCI COMMUNICATIONS CORP56 citations92
US6418205B2Jul 9, 2002
Call and circuit state machine for a transaction control layer of a communications signaling gateway
MCI COMMUNICATIONS CORP27 citations85
US7623644B2Nov 24, 2009
System for executing advanced interactive voice response services using service-independent building blocks
MCI COMMUNICATIONS CORP2 citations60