Android : Detecting caller side ringing state Android

I have used PhoneStateListener class to detect the states of the call, i need to detect the phone state at both Caller side and Callie side , with below class i can detect the Ringing state for the incoming calls at Callie side but Ringing state is not trigger at caller side .

Is there anyway to achieve this task ?

public class MyPhoneStateListener extends PhoneStateListener {

    public static Boolean phoneRinging = false;

    public void onCallStateChanged(int state, String incomingNumber) {

        switch (state) {
        case TelephonyManager.CALL_STATE_IDLE:
            Log.d("DEBUG", "IDLE");
            phoneRinging = false;
            break;
        case TelephonyManager.CALL_STATE_OFFHOOK:
            Log.d("DEBUG", "OFFHOOK");
            phoneRinging = false;
            break;
        case TelephonyManager.CALL_STATE_RINGING:
            Log.d("DEBUG", "RINGING");
            phoneRinging = true;

            break;
        }
    }

}