Train service providers can use this connectivity for specific purposes like retrieving and managing ticketing information, and also for providing passengers with access to the Internet.If the mobile network is down, trains lose their connection and can’t send or receive traffic-related information Satellite communication is often used as backup where mobile coverage is not present.Train operators should be mindful of putting all their eggs in one basket when it comes to mobile network coverage.As the company still investigates the cause of the outage, Telstra’s acting chief executive Michael Ackland said at a press conference there was a timing issue with several nodes in the network