http://www.tvi24.iol.pt/videos/economia/portabilidade-o-que-muda-a-partir-de-quinta-feira/5b977a680cf267716b567acd
Source: TVI
Interview with Ilda Matos, ANACOM press officer: "Economia 24" section of the "Diário da Manhã" TV programme, aired on TVI and TVI24 on 11 September 2018, on new portability rules.
