CALL RECORDER The application can record incoming and outgoing calls automatically working as background application. The application saves all calls in folder MyCallRecordings on SD Card in format DayMonthYear-Time. Call Recorder Pro supports 3 file format MP4, AMR, 3GP. The audio source is configurable. You can use 3 options: Microphone, VoiceUpLink, VoiceDownLink. Try to record with different configurations until you find best solution for your phone. Good Luck!