The first application is CallRecorder and the second is Alsamixer.
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Write Alsamixer terminal opens and after enter browse the left and right arrows.
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CallRecorder is a commercial
application but you can use free for 42 days and Alsamixer is a free application.
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At first you have to install CallRecorder,
to offer its root privileges and then install and Alsamixer application that in turn requires root
privileges you have to pay them.