What is it about voice over IP that creates such passionate dogmatism? Far too much of what passes for debate about the future of voice over IP is dominated by assertions of perfect foreknowledge.

AT&T Corp. and WorldCom Inc. last week separately introduced services designed to help customers cut costs and simplify their networks by running voice traffic over new or existing IP and frame relay ...

NTL Telewest is developing a voice-over-IP residential telephone service and has appointed telecoms giant Ericsson to help roll it out. A five year agreement has been signed between the two parties.

Network gear component makers are producing new chips and switch fabric technologies that could make products such as IP telephones and Gigabit LAN switches faster and less expensive. Texas ...