Source: https://www.proximus.be/dam/jcr:cd89ae6c-f6bc-4711-9da3-e410ddfd4fdb/cdn/sites/iportal/documents/pdfs/res/contractfiche/contractfiche-fr/Pack-business-customers/CS_Pack_BusinessFlexEssential__FR~2022-07-01-07-57-36~cache.pdf