Skype is opening its VoIP system so businesses can hook up their internet-based phone systems to the popular service. Session Initiation Protocol (SIP) is an open standard that allows calls to be ...

The most reliable internet protocol (IP) desk phone is Polycom VVX because its hardware is crafted to an extremely high standard, and its user base appears to be consistently satisfied with its ...

Appliances from Allworx, Critical Links, Fonality, Microsoft, and Sutus all combine sophisticated features and low cost; they differ in breadth and complexity, with Fonality’s Asterisk-based PBXtra ...

Linux-based VoIP box gives a glimpse into vendor’s IP PBX road map. Nortel next month is expected to launch the first in a family of Linux-based IP PBXs that ultimately could save customers money, ...

John Breeden II is an award-winning reviewer with more than 20 years of experience covering technology. Follow him on Twitter @TheLabGuys. Office phones have come a long way in a relatively short time ...

Here’s where to turn when selecting a VoIP provider. Many of these vendors will be familiar, since most also sell legacy phone systems Most of these vendors offer a mix of TDM-based and VoIP products ...

When it comes to choosing a business phone system, you might find yourself stuck on a critical question: Should you stay with traditional phone systems or switch to VoIP (Voice over Internet Protocol) ...

Cisco Systems Inc. last week announced a bevy of voice over IP (VOIP) products, continuing the efforts of vendors to get technologies supporting phone services over data networks in shape for more ...

Over 30% of U.S. companies use Voice over Internet Protocol (VoIP) phone systems. Many switch from conventional services to realize the benefits of VoIP, including lower costs, operational efficiency, ...