Semiconductors; Internet protocol (IP) private branch exchange telephony systems; IP telephony computer hardware; lIP telephony computer software; lIP telephony routers; IP telephony switches; computer hardware and software for controlling and managing voice and data traffic over packet-switched networks; namely lIP networks, ATM networks, frame relay networks, UDP networks, RTP networks, local area networks, wide area networks, and global computer networks; telephony converters for converting analog telephone and fax terminals for use over IP networks; voice over 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; and IP private branch exchange systems for a multi-tenant building
Electrical and Scientific Apparatus