<https://ccnav7.net/what-type-of-vlan-is-designed-to-reserve-bandwidth-to-ensure-ip-phone-quality/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://ccnav7.net/what-type-of-vlan-is-designed-to-reserve-bandwidth-to-ensure-ip-phone-quality/>