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.

While many companies may wait for their PBXs to die before diving into voice-over-IP, the technology could find its way into other corporations soon as an outsourced service, such as IP Centrex.

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.

The company’s long-running Voice-over-IP service gets a refreshed call experience. The company’s long-running Voice-over-IP service gets a refreshed call experience. is a former news writer for The ...