This report analyses developments in the Dutch mass market (consumer & SOHO) for fixed telephony in the fourth quarter of 2018, and compares the findings with previous quarters. The analysis is based on Telecompaper's continuous research into the development of the Dutch communication services market. The focus is on KPN as the only national fixed network operator as well as VoIP provider via fibre or DSL networks and the VoIP services provided by cable network operators (Ziggo, Delta, Caiway) and DSL network operators (Online.nl, Tele2, T-Mobile) as well as via fibre networks (Caiway,Online.nl, Tele2, T-Mobile).