diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 38700eb..6f63f49 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -256,14 +256,16 @@
         </activity>
 
         <activity android:name="GsmUmtsCallForwardOptions"
-            android:label="@string/labelCF">
+            android:label="@string/labelCF"
+            android:configChanges="orientation|keyboardHidden">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
             </intent-filter>
         </activity>
 
         <activity android:name="GsmUmtsAdditionalCallOptions"
-            android:label="@string/labelGSMMore">
+            android:label="@string/labelGSMMore"
+            android:configChanges="orientation|keyboardHidden">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
             </intent-filter>