UK International Callers Could Save GBP 203 Million on International Calls by Switching to giffgaff

– giffgaff reveal a brand-new international tariff for their mobile network. – Using the new rate from giffgaff, the UK could save up to GBP 203 million on international calls every year. – giffgaff will be rolling these significantly reduced tariffs onto all of their SIM-cards.