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 ...

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 ...

Should you throw out the old PBX and replace it with a new IP PBX? This tip from WindowsNetworking.com provides ten compelling reasons to do so, along with a brief explanation of what an IP PBX is, ...

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 ...

The Alescere IP-PBX is a Linux-based business communications system. It's aimed at the Small/Mid-Sized Business market, with strong support for larger companies with many small to mid-sized branch ...

Nortel Networks Ltd. today is unveiling plans to deliver common operating software for its Succession line of IP private branch exchange (PBX) systems and its older Meridian 1 digital voice switches.

The Avaya IP-PBX system is a highly scalable solution designed for midsize companies looking to grow and those not intimidated by the cost or complexity. The Avaya IP PBX solution has an abundance of ...

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 ...

In this Clear Choice test of four open source-based IP PBX systems, we found products that are well suited for the low end — defined in this testing as supporting as many as 250 concurrent users.

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 ...