connector-telephony/base_phone/views/res_config_settings.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  Copyright 2014-2018 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-->

<odoo>


<record id="res_config_settings_view_form" model="ir.ui.view">
    <field name="name">base_phone.base.config.settings.form</field>
    <field name="model">res.config.settings</field>
    <field name="inherit_id" ref="base_setup.res_config_settings_view_form" />
    <field name="arch" type="xml">
        <xpath expr="//div[hasclass('settings')]" position="inside">
            <div id="phone" string="Phone">
                <h2>Phone</h2>
                <div class="row mt16 o_settings_container">
                    <label for="number_of_digits_to_match_from_end"/>
                    <div>
                        <field name="number_of_digits_to_match_from_end" class="oe_inline"/>
                    </div>
                </div>
            </div>
        </xpath>
    </field>
</record>


</odoo>