fix

app/src/main/java/com/tianrun/sipcall/SipEngine.java

      *
      * @throws Exception
      */
-    public void PlaydefaultCallMediaPlayer(Context context) {
+    public Ringtone PlaydefaultCallMediaPlayer(Context context) {
         Uri notification = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE);
         Ringtone r = RingtoneManager.getRingtone(context, notification);
         r.play();
+        return r;
     }
-    public void StopdefaultCallMediaPlayer(Context context)  {
-        Uri notification = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE);
-        Ringtone r = RingtoneManager.getRingtone(context, notification);
-        r.stop();
+    public void StopdefaultCallMediaPlayer(Ringtone r)  {
+//        Uri notification = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE);
+//        Ringtone r = RingtoneManager.getRingtone(context, notification);
+//        r.stop();
+        if(r != null) {
+            r.stop();
+        }
     }
 }

app/src/main/java/com/tianrun/sipcall/call/InCallActivity.java

 import android.app.KeyguardManager;
 import android.content.Context;
 import android.content.Intent;
+import android.media.Ringtone;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
     private SMPercentFrameLayout localRenderLayout;
     private SMPercentFrameLayout remoteRenderLayout;
     private ImageButton incall_answer, incall_hangup;
+    private Ringtone ringtone;
     private TextView show;
     QMUITabSegment mTabSegment;
     ViewPager mContentViewPager;
         }
         show.setText(callnumber + callstate);
         if (incall_answer.getVisibility() == View.VISIBLE && selfCall) {
-            incall_answer.setVisibility(View.GONE);
-            SipEngine.getInstance().answer(callid);
-            SipEngine.getInstance().StopdefaultCallMediaPlayer(this);
+            answer();
         } else {
-            SipEngine.getInstance().PlaydefaultCallMediaPlayer(this);
+            ringtone = SipEngine.getInstance().PlaydefaultCallMediaPlayer(this);
+            AutoAnwser(); //5秒后自动接听
         }
-
     }
 
+    static void  AutoAnwser(){
+        handler_CallActivity.postDelayed(doAutoAnwser, 5000);
+    }
+    static Runnable doAutoAnwser = new Runnable() {
+        @Override
+        public void run() {
+            CONS.SENDMESSAGETO(handler_CallActivity, -2, null);
+        }
+    };
     @Override
     protected void onPause() {
         super.onPause();
         stopVideoStream(true);
         super.onDestroy();
         SipEngine.getInstance().hangup(callid);
+        handler_CallActivity.removeCallbacks(doAutoAnwser);
         handler_CallActivity = null;
         if (wakeLock != null) {
             wakeLock.release();
             wakeLock = null;
         }
+        SipEngine.getInstance().StopdefaultCallMediaPlayer(ringtone);
+        ringtone = null;
     }
 
     /**
                 stopVideoStream(true);
                 finish();
                 break;
+            case -2:
+                answer();
+                break;
         }
         return true;
     }
                 if (SipEngine.callPagesConfig.size() == 0) {
                     finish();
                 }
+                SipEngine.getInstance().StopdefaultCallMediaPlayer(ringtone);
                 break;
             case R.id.incall_answer:
-                incall_answer.setVisibility(View.GONE);
-                SipEngine.getInstance().answer(callid);
-                SipEngine.getInstance().StopdefaultCallMediaPlayer(this);
+                answer();
                 break;
         }
     }
 
+    public  void  answer(){
+        incall_answer.setVisibility(View.GONE);
+        SipEngine.getInstance().answer(callid);
+        SipEngine.getInstance().StopdefaultCallMediaPlayer(ringtone);
+        handler_CallActivity.removeCallbacks(doAutoAnwser);
+    }
 
     public void ShowVideoView(boolean show) {
         if (show) {

app/src/main/java/com/tianrun/sipcall/call/InCallMeetingActivity.java

 import android.content.DialogInterface;
 import android.content.Intent;
 import android.graphics.Color;
+import android.media.Ringtone;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
     public static Intent incallIntent;
 
     private  boolean isinited = false;
+    private Ringtone ringtone;
 
     TrAdapter adapterUser;
 
         show.setText(callnumber + callstate);
         //控件显示号码，来电，去电，通话中...
         if (incall_answer.getVisibility() == View.VISIBLE && selfCall) {
-            incall_answer.setVisibility(View.GONE);
-            SipEngine.getInstance().StopdefaultCallMediaPlayer(this);
-            SipEngine.getInstance().answer(callid);
+            answer();
         } else {
-            SipEngine.getInstance().PlaydefaultCallMediaPlayer(this);
+            ringtone = SipEngine.getInstance().PlaydefaultCallMediaPlayer(this);
+            AutoAnwser(); //5秒后自动接听
         }
+    }
 
+    static void  AutoAnwser(){
+        handler_CallActivity.postDelayed(doAutoAnwser, 5000);
     }
+    static Runnable doAutoAnwser = new Runnable() {
+        @Override
+        public void run() {
+            CONS.SENDMESSAGETO(handler_CallActivity, -2, null);
+        }
+    };
 
     @Override
     protected void onPause() {
         super.onDestroy();
         SipEngine.getInstance().hangup(callid);
         handler_CallActivity.removeCallbacks(getMemberRunner);
+        handler_CallActivity.removeCallbacks(doAutoAnwser);
         handler_CallActivity = null;
         if (wakeLock != null) {
             wakeLock.release();
             wakeLock = null;
         }
 
+        SipEngine.getInstance().StopdefaultCallMediaPlayer(ringtone);
+        ringtone = null;
     }
 
     /**
             case  -1:
                 getMembers();
                 break;
+            case  -2:
+                answer();
+                break;
         }
         return true;
     }
                 if (SipEngine.callPagesConfig.size() == 0) {
                     finish();
                 }
+                SipEngine.getInstance().StopdefaultCallMediaPlayer(ringtone);
                 break;
             case R.id.incall_answer:
-                incall_answer.setVisibility(View.GONE);
-                if (DBUser.mySelf != null && DBUser.mySelf.isManager) {
-                    incall_mute.setVisibility(View.VISIBLE);
-                }
-                SipEngine.getInstance().answer(callid);
-                SipEngine.getInstance().StopdefaultCallMediaPlayer(this);
+                answer();
                 break;
             case R.id.incall_mute:
                 muteAll(v);
         }
     }
 
+    public  void  answer() {
+        incall_answer.setVisibility(View.GONE);
+        if (DBUser.mySelf != null && DBUser.mySelf.isManager) {
+            incall_mute.setVisibility(View.VISIBLE);
+        }
+        SipEngine.getInstance().answer(callid);
+        SipEngine.getInstance().StopdefaultCallMediaPlayer(ringtone);
+        handler_CallActivity.removeCallbacks(doAutoAnwser);
+    }
+
     public void muteAll(View view) {
         QMUIQuickAction qa = QMUIPopups.quickAction(InCallMeetingActivity.this,
                 QMUIDisplayHelper.dp2px(InCallMeetingActivity.this, 56),