telecom domain

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Across
  1. 1. A DSL Line without a dial tone
  2. 4. Indian Mobile network is divided into zones which are almost based on state boundaries. These zones are called
  3. 5. The kind of Billing where payment needs to be done before using the service
  4. 10. Database maintained by Mobile service provider to temporary track the mobile roaming users
  5. 13. Set of components/processes that activates the telecom services of an customer on the network/service infrastructure after the customer has placed an order
  6. 16. Area covered by a cellular base station
  7. 19. What kind of cables are used in wireline network to minimize crosstalk
  8. 20. Logical geographical area in US which demarcated the area in which a RBOC was permitted to provide local telephone services
Down
  1. 2. Physical Link or circuit that connects Customers Wireline Telephone to the Service provider’s Local Exchange Carrier
  2. 3. AT&T initiative to provide voice, data and internet services over a single IP based connection
  3. 6. Set of components/processes that makes ensures what has been promised to the customer is being delivered continuously
  4. 7. The ability to retain the fixed line telephone number, while changing from one service provider to another
  5. 8. USA has FCC, India has ___
  6. 9. Mobile component used to identify and authenticate network users
  7. 11. GSM makes use of this technique for transmitting data
  8. 12. Type of Rating use to rate the call detail records of a prepaid mobile user
  9. 14. First company to launch a smart Phone
  10. 15. First Mobile service provider in india
  11. 17. Component responsible for collecting Call Detail Records from Network elements and normalizing them as per the Billing system
  12. 18. First GSM Phone call was made on this mobile Service Operators n/w