diff --git a/LinphoneCoreImpl.java b/LinphoneCoreImpl.java
index b49856e91..3c21fe0f6 100644
--- a/LinphoneCoreImpl.java
+++ b/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/Version.java b/Version.java
index 0ec07fc25..b094e31d7 100644
--- a/Version.java
+++ b/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