System and method for packet-based voice telephony for use...

System and method for peer-to-peer internet communication

System and method for peer-to-peer multi-party voice-over-IP...

System and method for performing IP telephony

System and method for performing IP telephony including...

System and method for performing messaging services using a...

System and method for personal multimedia communication over...

System and method for port mapping in a communications...

System and method for presence-based routing of...

System and method for private addressing plans using community a

System and method for processing a plurality of requests for...

System and method for providing a plurality of multi-media...

System and method for providing a plurality of multi-media...

System and method for providing access to service nodes from...

System and method for providing alternate routing in a network

System and method for providing an integrated communications...

System and method for providing audio communication over a...

System and method for providing audio communication over a...

System and method for providing automated directory...

System and method for providing base band voice telephony...