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UNEARNED INCOME (Tables) | 12 Months Ended
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Dec. 31, 2017
UNEARNED INCOME |
Schedule of breakdown of unearned income | The breakdown of unearned income is as follows:
| a. |  | Current
|  | 2016 |  | 2017
Prepaid pulse reload vouchers |  | 4,959 |  | 4,800
Telecommunication tower leases |  | 199 |  | 300
Other telecommunications services |  | 189 |  | 148
Others |  | 216 |  | 179
Total |  | 5,563 |  | 5,427
| b. |  | Non-current
|  | 2016 |  | 2017
Indefeasible Right of Use |  | 169 |  | 205
Other telecommunications services |  | 256 |  | 319
Total |  | 425 |  | 524

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