Why settle for an ancient, analog PBX? The best voice over IP (VoIP) services we've tested deliver enterprise-grade phone system features for a small-business-friendly price.

eWEEK content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More. Avaya on Jan. 21 delivered on its promise to more broadly ...

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 ...

The cord-cutting movement isn’t limited to consumer cable and Netflix. As Voice over Internet Protocol communication matures and as high-speed Internet becomes cheap and ubiquitous, an increasing ...