hr_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  Copyright (C) 2014 Alexis de Lattre <alexis@via.ecp.fr>
  The licence is in the file __openerp__.py
-->

<openerp>
<data>

<record id="view_employee_form" model="ir.ui.view">
    <field name="name">hr_phone.hr_employee.form</field>
    <field name="model">hr.employee</field>
    <field name="inherit_id" ref="hr.view_employee_form"/>
    <field name="arch" type="xml">
        <field name="work_phone" position="attributes">
            <attribute name="widget">phone</attribute>
        </field>
        <field name="mobile_phone" position="attributes">
            <attribute name="widget">phone</attribute>
        </field>
    </field>
</record>

<record id="view_employee_tree" model="ir.ui.view">
    <field name="name">hr_phone.hr_employee.tree</field>
    <field name="model">hr.employee</field>
    <field name="inherit_id" ref="hr.view_employee_tree"/>
    <field name="arch" type="xml">
        <field name="work_phone" position="attributes">
            <attribute name="widget">phone</attribute>
        </field>
    </field>
</record>

<record id="view_partner_tree2" model="ir.ui.view">
    <field name="name">hr_phone.hr.employee.tree2</field>
    <field name="model">hr.employee</field>
    <field name="inherit_id" ref="hr.view_partner_tree2"/>
    <field name="arch" type="xml">
        <field name="work_phone" position="attributes">
            <attribute name="widget">phone</attribute>
        </field>
    </field>
</record>

</data>
</openerp>