EE have built their infrastructure (or are building) to support the UKESN, other providers won't have this in place so won't be able to for-fill the bid requirements, guess there's a monopoly there was well.
EE have built their infrastructure (or are building) to support the UKESN, other providers won't have this in place so won't be able to for-fill the bid requirements, guess there's a monopoly there was well.