Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -rd3ae2d91603ae6d2d25b9abdb220cc144cf90692 -rfb4b4a4f9d16742bfb76f62970a43c97e1ac14f0
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision d3ae2d91603ae6d2d25b9abdb220cc144cf90692)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision fb4b4a4f9d16742bfb76f62970a43c97e1ac14f0)
@@ -42,16 +42,33 @@
 
 // MSG_ID_USER_UF_PAUSE_RESUME_REQUEST
 void handleUFPauseResumeRequest( MESSAGE_T *message );
+
 // MSG_ID_USER_UF_SETTINGS_CHANGE_REQUEST
 void handleChangeUFSettingsRequest( MESSAGE_T *message );
 // MSG_ID_USER_UF_SETTINGS_CHANGE_RESPONSE
-BOOL sendChangeUFSettingsResponse( BOOL accepted, F32 volume_mL, U32 time_min, F32 ufRate_mL_min, S32 timeDiff, F32 rateDiff );
+BOOL sendChangeUFSettingsResponse( BOOL accepted, U32 reason, F32 volume_mL, U32 time_min, F32 ufRate_mL_min, S32 timeDiff, F32 rateDiff );
 // MSG_ID_USER_CONFIRM_UF_SETTINGS_CHANGE
 void handleChangeUFSettingsConfirmation( MESSAGE_T *message );
 
-//MSG_ID_USER_TREATMENT_TIME_CHANGE_REQUEST
+// MSG_ID_USER_TREATMENT_TIME_CHANGE_REQUEST
 void handleChangeTreatmentDurationRequest( MESSAGE_T *message );
+// MSG_ID_USER_TREATMENT_TIME_CHANGE_RESPONSE
+BOOL sendChangeTreatmentDurationResponse( BOOL accepted, U32 reason, U32 time_min, F32 volume_mL );
 
+// MSG_ID_TREATMENT_PARAM_CHANGE_RANGES
+BOOL sendTreatmentParamsRangesToUI( U32 minTime, U32 maxTime, U32 minUFVol, U32 maxUFVol, U32 minDialRate, U32 maxDialRate );
+
+// MSG_ID_USER_BLOOD_DIAL_RATE_CHANGE_REQUEST
+void handleChangeBloodDialysateRateChangeRequest( MESSAGE_T *message );
+// MSG_ID_USER_BLOOD_DIAL_RATE_CHANGE_RESPONSE
+BOOL sendChangeBloodDialysateRateChangeResponse( BOOL accepted, U32 reason, U32 bloodRate, U32 dialRate );
+
+// MSG_ID_SET_DG_DIALYSATE_TEMP_TARGETS
+BOOL sendDialysateTempTargetsToDG( F32 primary, F32 trimmer );
+
+// MSG_ID_REQUEST_FW_VERSIONS
+void handleFWVersionRequest( MESSAGE_T *message );
+
 // MSG_ID_ALARM_STATUS
 BOOL broadcastAlarmStatus( COMP_ALARM_STATUS_T almStatus );
 // MSG_ID_ALARM_TRIGGERED