Jubilee line extension gets permanent mobile phone coverage

The trial of mobile phone coverage on the Jubilee line extension has come to an end, but it’s been replaced with a permanent network, as part of plans to expand coverage across the London Underground.
The work was carried out by BAI Communications, who signed a 20-year commercial contract last year with TfL to provide mobile phone services. Their first task was to replace and upgrade the temporary trial network that covered the tunnels between Westminster and Canning Town on the Jubilee li