diff --git a/base/NativeApp.h b/base/NativeApp.h
index 7eb3eb43..d6a25c28 100644
--- a/base/NativeApp.h
+++ b/base/NativeApp.h
@@ -115,6 +115,11 @@ void Vibrate(int length_ms);
 void LaunchBrowser(const char *url);
 void LaunchMarket(const char *url);
 void LaunchEmail(const char *email_address);
+
+#if defined(IOS)
+char const* WebServiceControl(bool init);
+#endif
+
 bool System_InputBoxGetString(const char *title, const char *defaultValue, char *outValue, size_t outlength);
 bool System_InputBoxGetWString(const wchar_t *title, const std::wstring &defaultValue, std::wstring &outValue);
 void System_SendMessage(const char *command, const char *parameter);
diff --git a/ui/ui_screen.cpp b/ui/ui_screen.cpp
index 3fef1617..bea0c947 100644
--- a/ui/ui_screen.cpp
+++ b/ui/ui_screen.cpp
@@ -118,6 +118,15 @@ UI::EventReturn UIScreen::OnBack(UI::EventParams &e) {
 	return UI::EVENT_DONE;
 }
 
+#if defined(IOS)
+UI::EventReturn UIScreen::OnBackServer(UI::EventParams &e) {
+    WebServiceControl(false);
+    
+    screenManager()->finishDialog(this, DR_BACK);
+    return UI::EVENT_DONE;
+}
+#endif
+
 UI::EventReturn UIScreen::OnOK(UI::EventParams &e) {
 	screenManager()->finishDialog(this, DR_OK);
 	return UI::EVENT_DONE;
diff --git a/ui/ui_screen.h b/ui/ui_screen.h
index 1ffb28c2..1cffcddf 100644
--- a/ui/ui_screen.h
+++ b/ui/ui_screen.h
@@ -22,6 +22,10 @@ class UIScreen : public Screen {
 	UI::EventReturn OnOK(UI::EventParams &e);
 	UI::EventReturn OnCancel(UI::EventParams &e);
 	UI::EventReturn OnBack(UI::EventParams &e);
+    
+#if defined(IOS)
+    UI::EventReturn OnBackServer(UI::EventParams &e);
+#endif
 
 protected:
 	virtual void CreateViews() = 0;