diff --git a/src/org/linphone/CallManager.java b/src/org/linphone/CallManager.java
index 4d0eff734..e0c39abef 100644
--- a/src/org/linphone/CallManager.java
+++ b/src/org/linphone/CallManager.java
@@ -121,6 +121,8 @@ public class CallManager {
 		LinphoneCall lCall = lc.getCurrentCall();
 		LinphoneCallParams params = lCall.getCurrentParamsCopy();
 		bm().updateWithProfileSettings(lc, params);
+		lc.updateCall(lCall, null);
+		
 	}
 	
 }
diff --git a/src/org/linphone/VideoCallActivity.java b/src/org/linphone/VideoCallActivity.java
index cc720699e..e7549e0b1 100644
--- a/src/org/linphone/VideoCallActivity.java
+++ b/src/org/linphone/VideoCallActivity.java
@@ -193,7 +193,6 @@ public class VideoCallActivity extends Activity {
 			break;
 		case R.id.videocall_menu_switch_camera:
 			recordManager.stopVideoRecording();
-			sendStaticImage(true);
 			recordManager.toggleUseFrontCamera();
 			CallManager.getInstance().updateCall();
 			// camera will be restarted when mediastreamer chain is recreated and setParameters is called
diff --git a/src/org/linphone/core/LinphoneCoreImpl.java b/src/org/linphone/core/LinphoneCoreImpl.java
index b49856e91..3c21fe0f6 100644
--- a/src/org/linphone/core/LinphoneCoreImpl.java
+++ b/src/org/linphone/core/LinphoneCoreImpl.java
@@ -382,7 +382,7 @@ class LinphoneCoreImpl implements LinphoneCore {
 
 	public int updateCall(LinphoneCall call, LinphoneCallParams params) {
 		long ptrCall = ((LinphoneCallImpl) call).nativePtr;
-		long ptrParams = ((LinphoneCallParamsImpl)params).nativePtr;
+		long ptrParams = params!=null ? ((LinphoneCallParamsImpl)params).nativePtr : 0;
 
 		return updateCall(nativePtr, ptrCall, ptrParams);
 	}
diff --git a/src/org/linphone/core/Version.java b/src/org/linphone/core/Version.java
index 0ec07fc25..b094e31d7 100644
--- a/src/org/linphone/core/Version.java
+++ b/src/org/linphone/core/Version.java
@@ -27,8 +27,8 @@ import android.os.Build;
 public class Version {
 
 	private static final int buildVersion = 
-//		Integer.parseInt(Build.VERSION.SDK);
-		7; // 2.1
+		Integer.parseInt(Build.VERSION.SDK);
+//		7; // 2.1
 
 	public static final boolean sdkAbove(int value) {
 		return buildVersion >= value;
@@ -38,4 +38,4 @@ public class Version {
 		return buildVersion < value;
 	}
 
-}
+}
\ No newline at end of file
diff --git a/submodules/linphone b/submodules/linphone
index 4aaf103d0..8915b1ff3 160000
--- a/submodules/linphone
+++ b/submodules/linphone
@@ -1 +1 @@
-Subproject commit 4aaf103d0617a1dc74f5a8664b3ac45a5bcaf18d
+Subproject commit 8915b1ff3ee9fe40df4c0d1b2d794c443e83a1cc