connector-telephony/asterisk_click2dial/web_asterisk_click2dial.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  © 2014-2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-->

<odoo>

<template id="assets_backend" name="asterisk_click2dial assets"
          inherit_id="web.assets_backend">
    <xpath expr="." position="inside">
        <script type="text/javascript"
            src="/asterisk_click2dial/static/src/js/asterisk_click2dial.js"></script>
    </xpath>
</template>

</odoo>