The telco will invest US$100mn in upgrading its 4G LTE network with the goal of covering 70% of El Salvador's population by year-end.
Using Telia Carrier's IP ports, which use the Maya-1 submarine cable system, allowed ICE to expand its broadband capacity by 53%.
Pay TV operators held 40% of the fixed telecoms market in 2Q17, providing an alternative to market leader América Móvil, according to consultancy CIU.
Representatives of the country's four carriers proposed modifications to a bill which aims to reduce the number of operators.
Approved by the lower house's science commission, the bill now goes to the economic commission.