music application in iphone interruption handle

Question

I try the code to avoid the sleep mode interruption it's working but now I have the problem with interruption when call or sms is coming on iphone the song is stop ok at that time.Where the song is stop i want to start the song automatically when the call is end.

- (void) audioPlayerBeginInterruption: (AVAudioPlayer *) player {

if (playing) {

    playing = NO;

    interruptedOnPlayback = YES;

    [self updateViewForPlayerState];

}

}


- (void) audioPlayerEndInterruption: (AVAudioPlayer *) player {

if (interruptedOnPlayback) {

    [player prepareToPlay];

    [player play];

    playing = YES;

    interruptedOnPlayback = NO;

}

}

but it doesn't work

please help me here thanks in advance