Service Operators Ar Telecom https://www.artelecom.pt/ Bandwidth Inc. https://www.bandwidth.com/ BICS (Belgacom International Carrier Services) https://www.bics.com/ Compatel Limited https://www.compatel.com/ Colt Technology Services https://www.colt.net/ Dialoga Group https://dialogagroup.com/en/ DIGI Portugal https://www.digi.pt/ G9Telecom, S.A. https://g9.pt/ iBasis https://www.ibasis.com/ IP Telecom S.A. https://www.iptelecom.pt/ Lycamobile Portugal https://www.lycamobile.pt/ MEO (Altice Portugal) https://www.meo.pt/ NOWO Communications https://www.nowo.pt/ NOS Comunicações S.A. https://www.nos.pt/ OniTelecom https://www.onitelecom.pt/ Orange Business Portugal S.A. https://www.orange-business.com/pt Sumamovil https://www.sumamovil.com/ Verizon Portugal https://www.verizon.com/ Vodafone Portugal S.A. https://www.vodafone.pt/
