The Telecom World

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Across
  1. 2. These customers pay the mobile bill every month
  2. 5. Voice calls using mobile data
  3. 6. A card in your mobile phone
  4. 7. Earnings made by telecom operator
Down
  1. 1. Any illegal activity which incurs a loss to the telecom operator
  2. 3. An official agreement between 2 parties
  3. 4. You use this device everyday
  4. 6. A leader in Telecom OSS/BSS solutions