In android is it possible to record voice call during incoming/outgoing calls without open the speaker of mobile. I had seen a application in the android market. It does not cor
Android phones (to my knowledge) have an application processor and a modem processor. When the phone is in a voice call, audio data is routed (unless there is a HW change) from the modem processor to the audio hardware directly. The application processor is blissfully unaware of the audio data, but only knows of the call status.
So, in short you will not be able to record the audio data without the appropriate HW support.