Inventor
RAMAMURTHY RAM S
US16 patents
Patents
16 patentsUS6304565B1Oct 16, 2001
Method of completing long distance pots calls with IP telephony endpoints
AT & T CORP245 citations99
US6085231AJul 4, 2000
Method and system for delivering a voice message via an alias e-mail address
AT & T CORP293 citations99
US6035339AMar 7, 2000
Network information delivery system for delivering information based on end user terminal requirements
AT & T CORP335 citations98
US5956482ASep 21, 1999
Multimedia information service access
AT & T CORP203 citations98
US5689553ANov 18, 1997
Multimedia telecommunications network and service
AT & T CORP579 citations98
US6407988B1Jun 18, 2002
Mobility support services using mobility aware access networks
AT & T CORP170 citations97
US6240462B1May 29, 2001
System for providing enhanced grade of service for connections over a large network
AT & T CORP99 citations97
US6138144AOct 24, 2000
Method for managing multicast addresses for transmitting and receiving multimedia conferencing information on an internet protocol (IP) network implemented over an ATM network
AT & T CORP182 citations97
US6011782AJan 4, 2000
Method for managing multicast addresses for transmitting and receiving multimedia conferencing information on an internet protocol (IP) network
AT & T CORP221 citations97
US5751791AMay 12, 1998
Network based multimedia messaging method and system
AT & T CORP136 citations97
US6389471B1May 14, 2002
Network broadcasting system for broadcasting audiovisual information to an identified audience
AT & T CORP48 citations96
US5987508ANov 16, 1999
Method of providing seamless cross-service connectivity in telecommunications network
AT & T CORP329 citations96
US5909431AJun 1, 1999
Packet mode multimedia conferencing services over an ISDN wide area network
AT & T CORP84 citations96
US6374302B1Apr 16, 2002
Method and system to provide an action control point master gatekeeper
AT & T CORP173 citations95
US6606323B1Aug 12, 2003
Mobile MAC protocol for LAN-coupled devices interconnected by an ATM wide area network
AT & T CORP16 citations84
US6941373B2Sep 6, 2005
Network communications system and method for worldwide web broadcasting
AT & T CORP9 citations74