MediaRecorder.AudioSource.VOICE_CALL does not work on SGS2 (call recording)

Using mediarecorder to record calls with setting the sound source to

MediaRecorder.AudioSource.VOICE_CALL

It doesn’t work on Samsung Galaxy S2 (Android 2.3.4), it freezes in the application and the recording is not created (VOICE_UPLINK / VOICE_DOWNLINK works, but only records up / down, not a third-party voice).

However, for example, the CallRecorder application (from the Android Market) works (recording the voices of both sides). So it’s possible.

How to do it?

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AudioSource.CAMCORDER Galaxy S2, ; . , , .MIC .CAMCORDER, , , , , .MIC, , .

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