6th model - January/June 2010 Listen with ReadSpeaker Print Veja esta página em Português Share: Email Published on 21.06.2010 Questionnaire on international roaming - 6th model - January/June 2010 (PDF 286 KB) This information is copyrighted to ERG Questionnaire on international roaming - 6th model - January/June 2010 (XLS 139 KB) This information is copyrighted to ERG