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 ...

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.

Technology to smooth the transition between traditional and IP voice services is becoming available for carriers looking to benefit from converged networks that can handle voice, video and data ...

Especially for green-field sites and existing offices that are undergoing massive IT overhauls, VoIP offers single-wire simplicity and a one-stop management solution for all voice and data traffic.

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.

What should customers consider if they want to run voice and video over their Internet service? What are the additional issues to consider when choosing DSL or a T1? If you are looking to run some ...

Peering is poised to break down the biggest hurdle preventing the widespread and low-cost use of cutting-edge services based on IP (Internet Protocol), said speakers at the VON Europe conference in ...