title: Alternative to play audio during call in android
body: <p>I am implementing automatic call response application in android.In my application the call is respond by the audio file which is recorded by user and that file will play when incoming call is answered automatically by program.I have searched for it to know how to do this but all are saying that this is not possible in android to play audio file during call.So, I want to know what are the alternatives that can be used for doing the same thing.</p>