In this release, the UI has been improved and you can find application enhancements

• Video recording of calls in MKV format
• Clickable URLs in chat view
• Add buttons to change the record and playback volumes during a call
• Add button to start chatting without having to create a contact first

Liblinphone has been also improved: call logs are now stored in database and video presets are supported, including a high-fps preset.
 
You can download it at http://www.linphone.org/technical-corner/linphone