Apple released to developers of OS X 10.9.2 beta 1

After just a few days after the OS X 10.9.1, Apple released to developers the first beta of 10.9.2, the most important innovation in the which was the appearance of FaceTime audio features that allow you to make voice calls on a protocol VoIP. For the first time this feature has appeared in iOS 7. Thus, FaceTime audio on iOS and OS X will allow Apple users to make voice calls to each other from any device and will become an alternative to established solutions such as Skype.

According to the first beta testers, FaceTime audio function integrated in the Messages and FaceTime app, which is designed to significantly improve communication between users of Apple devices. FaceTime audio protocol provides high quality communications due to the use of the codec AAC-ELD, which It was originally created for the sound quality of voice calls, with sound quality comparable CD.

It is not known when the planned output of the final version of OS X 10.9.2, but it is worth noting that Job over the previous version took just over a month.