diff --git a/html5/verto/demo/verto.js b/html5/verto/demo/verto.js
index 56700c6a9d..6e05941a0f 100644
--- a/html5/verto/demo/verto.js
+++ b/html5/verto/demo/verto.js
@@ -414,6 +414,13 @@ function init() {
setupChat();
+ $("#ext").keyup(function (event) {
+ if (event.keyCode == 13) {
+ $( "#callbtn" ).trigger( "click" );
+ }
+ });
+
+
}
$(document).ready(function() {