A PBX/PABX (Private Branch Exchange/Private Automatic Branch Exchange) is equipment, usually connected to the public telephone network, to provide its users with advanced telephony features that are not available over standard local phone lines. Such features include the use of auto-attendants, hunt groups, advanced voice mail features, advanced call routing, etc.
Traditional PBX equipment can be quite costly and requires local staff to maintain and support the devices. Press8 Telecom provides a hosted PBX product, removing the need for you to purchase expensive hardware and employees to support the system by delivering services over the Internet medium to your location. All PBX equipment and software is maintained by Press8 in their state-of-the-art data center. The only equipment you need are VoIP phones (or soft phones).