3cxphone
3CXPhone FREE VoIP Phone for Windows
Free VOIP / SIP phone (softphone) for Windows. Use your PC as a phone. Works with popular VOIP providers and SIP PBX's (including 3CX Phone System). The interface is easy to use and similar to that of popular Smartphones. 3CXPhone is compact and easy to
3CX Phone FREE VoIP Phone v.4.0
Free VOIP / SIP phone (softphone) for Windows.