base_phone/res_company_view.xml

<?xml version="1.0" encoding="utf-8"?>

<!--
    Copyright (C) 2014 Akretion (http://www.akretion.com/)
    @author Alexis de Lattre <alexis.delattre@akretion.com>
    The licence is in the file __openerp__.py
-->

<openerp>
<data>

<record id="view_company_form" model="ir.ui.view">
    <field name="name">base_phone.company.form</field>
    <field name="model">res.company</field>
    <field name="inherit_id" ref="base.view_company_form" />
    <field name="arch" type="xml">
        <group name="account_grp" position="after">
            <group name="phone" string="Phone">
                <field name="number_of_digits_to_match_from_end" />
            </group>
        </group>
        <field name="phone" position="attributes">
            <attribute name="widget">phone</attribute>
        </field>
        <field name="fax" position="attributes">
            <attribute name="widget">fax</attribute>
        </field>
    </field>
</record>


</data>
</openerp>