base_phone/static/src/xml/phone.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
    Base phone module for OpenERP
    Copyright (C) 2013-2014 Alexis de Lattre <alexis@via.ecp.fr>
    The licence is in the file __openerp__.py
-->

<templates id="template" xml:space="preserve">

<t t-name="FieldPhone">
    <span class="oe_form_field oe_form_field_email" t-att-style="widget.node.attrs.style">
        <t t-if="widget.get('effective_readonly')">
            <a href="#" class="oe_form_uri"/><span class="oe_form_char_content"/>
            <!--
            You should add the following "<a .. />" in your IPBX-specific
            module (such as asterisk_click2dial or ovh_telephony_connector)
            via <t t-extend="FieldPhone">
            <a id="click2dial" href="#" class="oe_bold"/>
            -->
        </t>
        <t t-if="!widget.get('effective_readonly')">
            <div>
                <input type="text"
                    t-att-id="widget.id_for_label"
                    t-att-tabindex="widget.node.attrs.tabindex"
                    t-att-autofocus="widget.node.attrs.autofocus"
                    t-att-placeholder="widget.node.attrs.placeholder"
                    t-att-maxlength="widget.field.size"
                />
            </div>
        </t>
    </span>
</t>

<t t-name="FieldFax">
    <span class="oe_form_field oe_form_field_email" t-att-style="widget.node.attrs.style">
        <t t-if="widget.get('effective_readonly')">
            <a href="#" class="oe_form_uri"/><span class="oe_form_char_content"/>
        </t>
        <t t-if="!widget.get('effective_readonly')">
            <div>
                <input type="text"
                    t-att-id="widget.id_for_label"
                    t-att-tabindex="widget.node.attrs.tabindex"
                    t-att-autofocus="widget.node.attrs.autofocus"
                    t-att-placeholder="widget.node.attrs.placeholder"
                    t-att-maxlength="widget.field.size"
                />
            </div>
        </t>
    </span>
</t>

</templates>