Sky is the only one of the five big providers refusing to do so, Comreg says.

The judge found that Virgin had breached obligations in the way in which its phone agents dealt with customers seeking to switch

ComReg has denied Eir's claim of "incorrect allegations" following a court case in which the telecom giant was convicted and fined over customer complaints procedures

Eir was convicted and fined €7,500 after it was prosecuted over its former customer complaints procedures