diff --git a/Classes/DialerView.m b/Classes/DialerView.m
index b09b2224d..766085646 100644
--- a/Classes/DialerView.m
+++ b/Classes/DialerView.m
@@ -169,6 +169,13 @@ static UICompositeViewDescription *compositeDescription = nil;
 	frame.origin = CGPointMake(0, 0);
 	_videoPreview.frame = frame;
 	_padView.hidden = !IPAD && UIInterfaceOrientationIsLandscape(toInterfaceOrientation);
+	if (linphone_core_get_calls_nb(LC)) {
+		_backButton.hidden = FALSE;
+		_addContactButton.hidden = TRUE;
+	} else {
+		_backButton.hidden = TRUE;
+		_addContactButton.hidden = FALSE;
+	}
 }
 
 - (void)viewDidAppear:(BOOL)animated {