From RTE:

Eircom is to reduce the prices it charges other operators for using its network by around 10% from July following a review by the regulator ComReg.

The cuts are in the Interconnection Call Conveyance Rates, which Eircom charges other phone companies for initiating or terminating calls on its network.

The reductions will mostly affect other fixed-line operators, but will also affect mobile companies, which pay a charge to Eircom for calls to land lines.