NETERGY

Semiconductors; IP private branch telephony system comprising computer hardware and software for routing, switching, controlling and managing voice and data traffic over packet-switched networks including IP networks, ATM networks, frame relay networks, UDP networks, RTP networks, and global computer networks; telephony devices for converting analog telephone and fax terminals for use over IP networks; and voice IP gateways, which provide private branch exchange capabilities and support for messaging functions, for use in connecting a private branch exchange-based network to an IP-based network