VOIP Phone (IP Phone) in data center room. A PBX (private branch exchange) system allows an organization to manage incoming and outgoing phone calls, as well as internal communication. A PBX is made ...

Of Pingtel’s three open source IP PBXs, we tested SIPxchange Enterprise Communication Server, Version 3.7. Pingtel also has the SIPxNano for fewer than 30 users, as well as a free, downloadable ...

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 ...

The future of enterprise telephony is clearer than ever. Circuit-switched PBXs are nearing obsolescence. IP technology is increasingly becoming the standard for corporate voice communications. A ...

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 ...

The first thing that you should consider when purchasing an IP PBX is whether or not the IP PBX that you are considering purchasing will integrate with a traditional PBX. This is an important ...

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 ...

One thought kept running through my mind while I tested the ShoreTel 6 phone system: “This is too easy.” Surely, I thought, there must be a point at which the ShoreTel PBX becomes a pain in the neck.

The Avaya IP PBX solution has an abundance of features. Although it is better suited for larger organizations—those with more than 50 employees—in terms of complexity and price, the Avaya system is ...