3CX Ltd

The Windows-based softphone, a free VOIP and SIP phone, enables users to make calls using their personal computers. It is compatible with several VOIP providers and SIP PBXs, such as the 3CX Phone System. The software is light, user-friendly, and a full version.

3CX VOIP Phone System FREE edition is a SIP-based IP PBX for Windows that eliminates phone wiring, enables hot desking & lowers call costs through VoIP providers. It's easy to install & configure, and eliminates vendor lock-in. Download FREE edition now.