a a a







    Parent Company Consolidated
    2009 2008 2009 2008
Local currency                
  Suppliers of materials e services 1,418 759 2,593,278 2,654,599
  Interconnection (a) - - 220,518 306,225
  Roaming (b) - - 274 846
  Co-billing (c) - - 118,684 177,008
    1,418 759 2,932,754 3,138,678
                   
Foreign currency                
  Suppliers of materials e services 4,400 9 100,690 131,610
  Roaming (b) - - 66,539 58,426
    4,400 9 167,229 190,036
    5,818 768 3,099,983 3,328,714
(a) This refers to the use of network of other fixed and mobile cell telephone operators, with calls being initiated at TIM network and ended in the network of other operators;
(b) This refers to calls made by customers outside their registration area, who are therefore considered visitors in the other network (roaming); and
(c) This refers to calls made by customers when they choose another long-distance call operator (co-billing).