Source: https://www.proximus.be/dam/jcr:9272ae83-c592-4d65-8c3d-897e762414b3/cdn/sites/iportal/documents/pdfs/res/contractfiche/contractfiche-fr/Mobile-private-customers/CS_Belfius_Mobilus_Unlimited_FR~2022-03-01-06-21-20~cache.pdf