IP telephony began humbly as a novelty application that allowed online users to converse over the Internet. Today, it has finally matured enough in both feature sets and network availability that it ...

Virtually all currently marketed IP telephony systems share a common design platform of server-based call control and distributed media gateways, but there still remain noticeable differences that ...

Many small companies that lack technology skills may be blithely unaware that a revolution is underway in the world of business telephone systems. Why should you care particularly? Because new IP PBXs ...

IP telephony has long been the bridesmaid of the communications industry. A maturing technology that sends voice traffic over existing data networks, including wide-area networks such as the Internet, ...

James writes books, articles and jokes about technology from his Dallas-area home office. He also consults for those who don’t read his books and articles. While small businesses have always been ...

Today, we’ll continue with our list of the top 10 requirements for managing an IP telephony system. We published the first five requirements earlier this week; now we’ll cover six through 10. Today, ...

An open source model for IP telephony might yield results at some time in the distant future, but it will have no such effect in the short term, for a number of reasons. In theory, an open source IP ...

Siemens AG’s U.S.-based networking subsidiary yesterday announced an upgrade of its IP telephony system that can be scaled up to support as many as 100,000 end users on a single network. Version 2.0 ...

Nortel Networks Corp. last week unveiled a new IP telephony (IPT) initiative that offers standard packages of hardware and software that promise to cut customers’ upfront costs by up to 30%. The IPT 1 ...

The two-way transmission of voice over a packet-switched IP network, which is part of the TCP/IP protocol suite. The terms "IP telephony" and "voice over IP" (VoIP) are synonymous. However, the term ...