PBX vs VoIP: How to Compare and Choose a Phone System Your email has been sent At first glance, PBX and VoIP seem like two very different types of phone systems. But modern technology, like IP PBX, ...

If you’re thinking about replacing or upgrading your business phone system, you have an important choice to make. Do you want to use a Voice over IP (VoIP) or a Private Branch Exchange (PBX) service?

This Comparison Guide features the leading PBX systems from established vendors like Siemens, Cisco, Avaya and Nortel as well as cutting edge systems from new vendors like Shoretel and Fonality. The ...

"Can Centrex survive or perhaps even thrive in the era of convergence?" Industry observer Jay Brandstadter thinks it can, but maybe not in the form you've known it: "For those considering IP telephony ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. The Avaya IP-PBX system is a highly scalable solution ...

To recommend the best phone systems for small businesses, our team of expert writers and researchers hone in on the most important factors. We rate providers on value for money – including initial ...

There are those who remain leery of IP telephony. Nothing you say will convince them that today's IP-PBX systems are as reliable as the good old TDM systems they love. Then there are those of us who ...

Voice over Internet Protocol (VoIP) technology has been key in allowing individuals and organizations to make and manage audio and video calls using the Internet. Call center companies, businesses, ...

More and more companies are making the transition to IP-based PBX systems because they offer flexibility and cost savings. In fact, some projections indicate that this year the number of IP PBX ...