<https://img.digital4.biz/wp-content/uploads/2020/12/avaya-cloud-office.jpg>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.digital4.biz/executive/avaya-cloud-office-una-sola-app-per-la-comunicazione-unificata-as-a-service/>