Index: firmware/App/Services/AlarmMgmt.c
===================================================================
diff -u -rab529a77ce03051a5940ee59b7542837778f8788 -r395b6a6a9df782ebf1d331c43dc2d26a3fa59a03
--- firmware/App/Services/AlarmMgmt.c	(.../AlarmMgmt.c)	(revision ab529a77ce03051a5940ee59b7542837778f8788)
+++ firmware/App/Services/AlarmMgmt.c	(.../AlarmMgmt.c)	(revision 395b6a6a9df782ebf1d331c43dc2d26a3fa59a03)
@@ -428,7 +428,7 @@
  * @param cmd ID of user command (1=silence, 0=cancel silence)
  * @return none
  *************************************************************************/
-void signalAlarmSilence( U08 cmd )
+void signalAlarmSilence( U32 cmd )
 {
     if ( ALARM_SILENCE_REQUESTED == cmd )
     {
Index: firmware/App/Services/AlarmMgmt.h
===================================================================
diff -u -rab529a77ce03051a5940ee59b7542837778f8788 -r395b6a6a9df782ebf1d331c43dc2d26a3fa59a03
--- firmware/App/Services/AlarmMgmt.h	(.../AlarmMgmt.h)	(revision ab529a77ce03051a5940ee59b7542837778f8788)
+++ firmware/App/Services/AlarmMgmt.h	(.../AlarmMgmt.h)	(revision 395b6a6a9df782ebf1d331c43dc2d26a3fa59a03)
@@ -248,7 +248,7 @@
 void clearAlarm( ALARM_ID_T alarm );
 void clearAlarmCondition( ALARM_ID_T alarm );
 void setAlarmUserActionEnabled( ALARM_USER_ACTION_T action, BOOL enabled );
-void signalAlarmSilence( U08 cmd );
+void signalAlarmSilence( U32 cmd );
 void signalAlarmUserActionInitiated( ALARM_USER_ACTION_T action );
 BOOL isAlarmActive( ALARM_ID_T alarm );
 ALARM_PRIORITY_T getCurrentAlarmStatePriority( void );
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rac05209d7b6c65b22359754eced5ad2672d3092a -r395b6a6a9df782ebf1d331c43dc2d26a3fa59a03
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision ac05209d7b6c65b22359754eced5ad2672d3092a)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 395b6a6a9df782ebf1d331c43dc2d26a3fa59a03)
@@ -1328,12 +1328,12 @@
  *************************************************************************/
 void handleUIAlarmSilenceRequest( MESSAGE_T *message )
 {
-    if ( message->hdr.payloadLen == sizeof( U08 ) )
+    if ( message->hdr.payloadLen == sizeof( U32 ) )
     {
-        U08 *payloadPtr = message->payload;
-        U08 cmd;
+        U32 *payloadPtr = message->payload;
+        U32 cmd;
 
-        memcpy( &cmd, payloadPtr, sizeof( U08 ) );
+        memcpy( &cmd, payloadPtr, sizeof( U32 ) );
 
         signalAlarmSilence( cmd );
     }