app/views/contacts/_phone_and_email.html.erb
<% if contact.phone_office? %>
<%= content_tag(:span, contact.phone_office) %><br />
<% end %>
<% if contact.phone_mobile? %>
<%= content_tag(:span, contact.phone_mobile) %><br />
<% end %>
<%= content_tag(:span, contact.email) if contact.email? %>