Free VOIP / SIP phone (softphone) for Windows. Works with popular VOIP providers and SIP PBX's (including 3CX Phone System, Asterisk and many more). The interface is easy to use and similar to that of popular Smartphones. 3CXPhone is compact and easy to install across a network.
Features include: Local audio recording in mono-WAV or stereo MP3. Local video recording. Video snapshots. Video support with H263 codec in SQCIF, QCIF, CIF and 4CIF formats. Support for secure RTP and secure SIP. Support for 80 BLF. Account data, company phonebook and BLF provisioning and PnP auto-provisioning. Five call lines. Unlimited number of simultaneously active accounts. Jabra headset support.