connector-telephony/crm_phone/view/res_partner.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  Copyright 2016-2018 Akretion France
  @author: Alexis de Lattre <alexis.delattre@akretion.com>
  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-->

<odoo>


<record id="view_partner_form" model="ir.ui.view">
    <field name="name">phonecall.res.partner.form</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref="base.view_partner_form"/>
    <field name="groups_id" eval="[(4, ref('sales_team.group_sale_salesman')), (4, ref('base.group_partner_manager'))]"/>
    <field name="arch" type="xml">
        <div name="button_box" position="inside">
            <button class="oe_inline oe_stat_button" type="action"
                name="%(crm_phone.crm_phonecall_action)d"
                icon="fa-phone"
                context="{'search_default_partner_id': active_id}">
                <field string="Calls" name="phonecall_count" widget="statinfo"/>
             </button>
        </div>
    </field>
</record>


</odoo>