The price of calls to the US is set to plummet after the US telephone regulator agreed on Wednesday to axe the tariffs that have kept call charges 50 per cent above cost.
However, the Federal Communications' Commission's ruling applies only to those countries, like the UK, that have opened their countries to foreign competition.
Next month the FCC plans to limit what US carriers will pay foreign carriers to complete calls.
Cotton seedling freezes to death as Chang'e-4 shuts down for the Moon's 14-day lunar night
Fortnite easily out-earns PUBG, Assassin's Creed Odyssey and Red Dead Redemption 2 in 2018
Meteor showers as a service will be visible for about 100 kilometres in all directions
Saturn's rings only formed in the past 100 million years, suggests analysis of Cassini space probe data
New findings contradict conventional belief that Saturn's rings were formed along with the planet about 4.5 billion years ago