Free VOIP / SIP phone (softphone). Use your PC as a phone. Works with any SIP / VOIP provider/ phone service. Use instead of the soft phone provided by your VOIP provider which locks you into their VOIP phone service. Easy to use interface to transfer, forward calls or review history of calls. Call log, caller ID, integrates with MS Outlook. Available in many languages. Free download from http://www.3cx.com.
From 3CX Ltd:Free VOIP / SIP phone (softphone). Use your PC as a phone.3CX FREE VOIP Phone for Windows 4.0
is licensed as Freeware
for the Windows operating system / platform without restrictions. 3CX FREE VOIP Phone for Windows is available to all software users as a free download (Freeware).
3CX FREE VOIP Phone for Windows Virus and Malware Tests:
For security reasons, you should also check out the 3CX FREE VOIP Phone for Windows virus and malware test
that has been uploaded; additional 3CX FREE VOIP Phone for Windows screenshots may be available, too.