Source: https://www.proximus.be/dam/jcr:45c89bcd-6780-4fa6-9dbf-aaa3148fa5f0/cdn/sites/iportal/documents/pdfs/res/contractfiche/contractfiche-fr/Pack-private-customers/CS_Pack_FlexXS_FR~2022-07-01-08-26-01~cache.pdf