connector-telephony/base_phone/views/res_users_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  © 2010-2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-->

<odoo>

    <record id="view_users_form" model="ir.ui.view">
        <field name="name">base_phone.res.users.telephony_tab</field>
        <field name="model">res.users</field>
        <field name="inherit_id" ref="base.view_users_form"/>
        <field name="arch" type="xml">
            <notebook position="inside">
                <page string="Telephony" name="phone" invisible="1">
                    <!-- Empty page, which will be used by other phone modules -->
                    <group name="phone-preferences" string="Telephony Preferences">
                    </group>
                </page>
            </notebook>
        </field>
    </record>

    <record id="view_users_form_simple_modif" model="ir.ui.view">
        <field name="name">base_phone.user_preferences.view</field>
        <field name="model">res.users</field>
        <field name="inherit_id" ref="base.view_users_form_simple_modif" />
        <field name="arch" type="xml">
            <xpath expr="//field[@name='email']/.." position="after">
                <group name="phone" string="Telephony Preferences" invisible="1">
                    <!-- Empty group, that is used by other phone modules -->
                </group>
            </xpath>
        </field>
    </record>

</odoo>