         if let subtitle = charger?.chargerSubtitle {
             labelSubtitle.text = subtitle
             // Configure navigation button
-            addAndConfigureNavigationButton()
+            navigationButtonItems.append(generateNavigationButton())
+        }
+        
+        if let primaryPhoneNumber = charger?.chargerDetails?.chargerPrimaryContactNumber {
+            if primaryPhoneNumber.characters.count > 3 {
+                navigationButtonItems.append(generateCallButton())
+            }
         }
         
         if let numberOfPoints = charger?.chargerNumberOfPoints {

            MKLaunchOptionsDirectionsModeDriving]
        
        mapItem.openInMapsWithLaunchOptions(options)
    }
    
    

    }
    
    func setChargerInfoToOutlets(){
        var navigationButtonItems = [UIBarButtonItem]()
        
        
        if let title = charger?.chargerTitle {
            labelTitle.text = title
            self.title = title
