System and method for interworking communication protocols...

System and method for IP telephony ping

System and method for isolating network clients

System and method for managing a VolP network

System and method for managing call continuity in IMS...

System and method for managing data traffic associated with...

System and method for mapping a PSTN trunk to a packet...

System and method for mapping a PSTN trunk to a packet...

System and method for modifying speech playout to compensate...

System and method for monitoring congestion paging

System and method for multiple channel statistical...

System and method for network phone having adaptive...

System and method for optimizing robust header compression...

System and method for packet network media redirection

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...