Hundreds of thousands of rail travellers faced delays of an hour or more after the system that allows train drivers to communicate with signallers failed. It is the Global System for Mobile ...

So says Ericsson, which worked with Schweizerische Bundesbahnen, better known as SBB, on the project. The pair claim that their live integration of the existing GSM-R system with an advanced IMS ...

Hundreds of thousands of rail travellers faced delays of an hour or more after the system that allows train drivers to communicate with signallers failed. It is the Global System for Mobile ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

Add Yahoo as a preferred source to see more of our stories on Google. Tunnel vision: Network Rail graphic on how GSM-R enables communication while trains are underground (Network Rail) Hundreds of ...