diff --git a/src/danog/MadelineProto/VoIP/CallbackHandler.php b/src/danog/MadelineProto/VoIP/CallbackHandler.php
new file mode 100644
index 00000000..07fdf9f1
--- /dev/null
+++ b/src/danog/MadelineProto/VoIP/CallbackHandler.php
@@ -0,0 +1,20 @@
+<?php
+/*
+Copyright 2016-2017 Daniil Gentili
+(https://daniil.it)
+This file is part of MadelineProto.
+MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU Affero General Public License for more details.
+You should have received a copy of the GNU General Public License along with MadelineProto.
+If not, see <http://www.gnu.org/licenses/>.
+*/
+
+namespace danog\MadelineProto\VoIP;
+
+trait CallbackHandler
+{
+    function get_incoming_call_callbacks() {
+        $callbacks = $this->settings['calls']['incoming_callback'] === 'default_incoming_call_callback' ? [] : $this->settings['calls']['incoming_callback']();
+    }
+}
\ No newline at end of file