Another highly requested feature looks like it could be coming to Windows 10 Mobile: Call Recording. For a long time, users have wanted the ability to record both conversations of a Windows Phone call but due to some hardware and software constraints it was not possible on Windows Phone 8.1.
In the last build of Windows 10 Mobile 10149, it was noticed that in the File Explorer app there is a new, default folder called Recorded Calls. The folder is found on the main device and listed along with Documents, Downloads, Music, Pictures, Ringtones, and Videos.
Full story from the WindowsCentral blog...