When T-Mobile Netherlands acquired the Orange Netherlands customer base and network in 2007, T-Mobile started a project to enable customers with an Orange SIM-card to roam on the Dutch T-Mobile network. National roaming requires a change of handset settings, either over-the-air (OTA) or manually which we supported with our
customer self care tools. Not just an update of the networks on the “forbidden list” in the handset is required, but also the MMS settings need to be updated. To avoid high roaming charges when travelling internationally, mobile phones default do not download MMS messages when abroad. Yet, with national roaming MMS messages must be downloaded automatically of course. Only the end-user can change this manually in the handset.  The project was completed successfully last year. Telecom Magazine just published a comprehensive article about it. It’s not available online, but you can download a PDF version here if you are interested.  This was the third national roaming project we supported in the Netherlands. Previous projects were for Telfort (switching to the KPN network) and for Rabo Mobiel (switching from Orange to KPN). We’re almost experts in roaming now, without leaving the country