1 <menu xmlns:android="http://schemas.android.com/apk/res/android">

     2 	<item android:id="@+id/call_speaker_on" android:visible="true"

     3 		android:title="~ speaker on ~" android:icon="@android:drawable/ic_lock_silent_mode_off" />

     4 	<item android:id="@+id/call_speaker_off" android:visible="true"

     5 		android:title="~ speaker off ~" android:icon="@android:drawable/ic_lock_silent_mode" />

     6 	<item android:id="@+id/call_hold_on" android:visible="true"

     7 		android:title="~ hold on ~ " android:icon="@android:drawable/ic_lock_lock" />

     8 	<item android:id="@+id/call_hold_off" android:visible="true"

     9 		android:title="~ hold off ~ " android:icon="@android:drawable/ic_menu_call" /> 

    10 </menu>