Source: https://www.proximus.be/dam/jcr:349175c4-4751-4d2e-8f09-79f6bb247618/cdn/sites/iportal/documents/pdfs/res/contractfiche/contractfiche-en/Pack-private-customers/CS_Pack_FlexXS_EN~2022-07-01-08-04-00~cache.pdf