Financial statements

NOTE 18



NET SALES REVENUE

The breakdown of the net sales revenue reported for the year ended 31 December 2018 is as follows:

(Euros) 31/12/18 31/12/17
INVOICES TO CUSTOMERS
RESIDENTIAL SOLUTIONS
LAND LINE 28.801.243 28.646.415
MOBILE 20.596.053 21.380.788
CORPORATE SOLUTIONS 3.057.257 2.662.681
PUBLIC SERVICES 565.372 649.401
INSTITUTIONAL 546.567 561.467
OTHER 27.867 71.278
DIVERSIFICATION 739.455 277.550
TOTAL INVOICES TO CUSTOMERS 54.333.815 54.249.580
INVOICES TO OPERATORS
Roaming in 31.704.369 39.610.029
Other interconnection services 1.637.549 1.535.030
TOTAL INVOICES TO OPERATORS 33.341.918 41.145.059
NET SALES REVENUE 87.675.733 95.394.639

The Company has contracts with operators regulating the financial and technical conditions of service. The international roaming agreements between the Company and the operators belonging to the GSM Association are based on the standard agreement (MoU) proposed by that association. The prices applied correspond to those agreed in the contracts.