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Operations support systems (OSS) and business support systems (BSS) play an integral role within the telco. This report explores the market drivers behind Ovum’s OSS/BSS revenue forecast through 2021.


  • Annual revenues for the global OSS/BSS market will grow from $32.6bn in 2016 to $39.9bn in 2021, a CAGR of 4.10%.

Features and Benefits

  • Understand the drivers for investment within the BSS domain.
  • Understand the drivers for investment within the OSS domain.

Key questions answered

  • Which region will show the most revenue growth?
  • What is driving revenue growth in each region?

Table of contents


  • Catalyst
  • Ovum view
  • Key messages


  • Recommendations for telcos
  • Recommendations for vendors

Forecast summary

  • Digital transformation will influence vendor revenues
  • Product revenues
  • Software and services-led revenues
  • Regional growth


  • Methodology
  • Further reading
  • Author

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