We list the best PBX phone systems for small businesses, to make it simple and easy to set up and manage a full-feature software-based phone system without upfront hardware costs. Private branch ...

Learn more about our full process and see who our partners are here. Your business may need to turn to a PBX phone system to meet its communication needs. Here's what you need to know. This guide ...

Open source PBX software that runs under Linux and other Unix variants on a variety of hardware, including x86, PowerPC, POWER and Xscale. Supporting traditional telephony (TDM) as well as voice ...

We list the best cloud phone and software PBX systems, to make it simple and easy to set up a software-based phone system that does everything a more expensive hardware one does. Even better ...

For many years single-pair (two-wire) cabling had supported telephones working behind a PBX system, but system equipment innovations, beginning with the introduction of digital switching and stored ...