Telecom domain basics

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Across
  1. 2. Network facing systems
  2. 5. Average ___________ Per User/Unit (ARPU)
  3. 6. From order capture till generate first bill journey
  4. 7. Framework developed by TM forum
  5. 8. Initial cost investment to startup the business
Down
  1. 1. Customer facing systems
  2. 2. One of the famous Independent Software Vendor (ISV)
  3. 3. fixed line service category
  4. 4. What is placed by customer