connector-telephony/base_phone_popup/res_users_view.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>
<data>

<record id="view_users_form" model="ir.ui.view">
    <field name="name">base_phone_popup.res.users.form</field>
    <field name="model">res.users</field>
    <field name="inherit_id" ref="base_phone.view_users_form"/>
    <field name="arch" type="xml">
        <page name="phone" position="attributes">
            <attribute name="invisible">0</attribute>
        </page>
        <group name="phone-preferences" position="inside">
            <field name="context_incall_popup"/>
        </group>
    </field>
</record>

<record id="view_users_form_simple_modif" model="ir.ui.view">
    <field name="name">base_phone_popup.users.preferences.view</field>
    <field name="model">res.users</field>
    <field name="inherit_id" ref="base_phone.view_users_form_simple_modif" />
    <field name="arch" type="xml">
        <group name="phone" position="inside">
            <field name="context_incall_popup" readonly="0"/>
        </group>
        <group name="phone" position="attributes">
            <attribute name="invisible">0</attribute>
        </group>
    </field>
</record>

</data>
</odoo>