By decision of 23 January 2015, ANACOM has approved an amendment to the title of the rights of use of frequencies (DUF) for terrestrial electronic communications services, following a change in the name of the company from Optimus to NOS - Comunicações (NOS).
Consult:
- Optimus - change of company name - Endorsement to DUF no. 01/2012 https://www.anacom.pt/render.jsp?contentId=1346140
