Brussels, 23/04/2003 (Agence Europe) - The European Commission is continuing its investigation into the invoicing of roaming services in the EU. At this stage, however, it cannot give a timeframe for completion of the inquiry due to the complex nature of the issue, Tilman Lueder, Spokesman for Commissioner Monti, said. The Commission is nonetheless planning on being able to send a statement of grievances to the companies concerned by August or September. "We have great piles of files that we...