In our app call recording functionality depends on 2 main parameters: Recording method and Audio source.
For different phones with different Android versions these parameters have to be changed.
Starting from Call Recorder Free ver 6.0 and Pro ver 5.5 there are two Recording method available for now:
- Media – has possibility to record in 3gp & mp4 file formats
- Audio – can record wav, arm & mp3 file formats
And also 3 main Audio sources:
- Phone line
Mix both of these have to be changed if your phone does not record any calls.
Here are the list of supported devices and known configurations for them.