Enables all recording/livestreaming notifications in sip gw mode.

modules/UI/UI.js

         // in case of iAmSipGateway keep local video visible
         if (!config.iAmSipGateway) {
             VideoLayout.setLocalVideoVisible(false);
+            APP.store.dispatch(setNotificationsEnabled(false));
         }
 
         APP.store.dispatch(setToolboxEnabled(false));
-        APP.store.dispatch(setNotificationsEnabled(false));
         UI.messageHandler.enablePopups(false);
     }
 };

react/features/recording/middleware.js

     case RECORDING_SESSION_UPDATED: {
         // When in recorder mode no notifications are shown
         // or extra sounds are also not desired
-        if (getState()['features/base/config'].iAmRecorder) {
+        // but we want to indicate those in case of sip gateway
+        const {
+            iAmRecorder,
+            iAmSipGateway
+        } = getState()['features/base/config'];
+
+        if (iAmRecorder && !iAmSipGateway) {
             break;
         }