According to Reuters, the ruling could see Mexican regulators force Telcel, which has a 70% share of the country’s mobile market, to reduce the fees it charges smaller rivals to connect to its network.
Carlos Slim’s America Movil is said to be reviewing the announcement and considering legal options.
The news comes just two weeks after Mexico’s lower house of congress had given its approval to a telecoms reform bill designed to introduce greater competition in the country’s telecoms sector.
In a separate announcement, however, Cofeco has said it would temporarily suspend a fine imposed on Slim’s fixed-line unit, Telmex in February, after the company requested a review of the fine.
