It wasn't considered a part of the single market rules until new legislation was passed. It came into effect in 2019. https://digital-strategy.ec.europa.eu/en/

It wasn't considered a part of the single market rules until new legislation was passed. It came into effect in 2019. https://digital-strategy.ec.europa.eu/en/policies/intra-eu-calls https://digital-strategy.ec.europa.eu/en/policies/intra-eu-c... > Before Intra-EU communications were capped, the average standard price of a fixed or mobile intra-EU call tended to be three times higher than the standard price of a domestic call. While the standard price of an intra-EU SMS was more than twice as expensive as a domestic one. In some cases the standard price of an intra-EU call was up to ten times higher than the standard price for domestic calls.