3. Methodology A randomized controlled prospective trial for one year. Intervention group: Each patient will transmit glucometer and pump data electronically via a web site (Medtronic Carelink internet site www.carelink.minimed.com) to diabetes team and will receive feedback by telephone. Frequency of data transfer will be directly related to patients' metabolic control. In addition to data transmission Patient of the intervention group will be arriving during the intervention year for 3 clinic visit at the following time point : 0, 6 and 12 month.