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Introduction

Ovum outlines why PSTN migration will become an urgent issue over the next five years. Service providers need to have a plan in place now to avoid hurdles that will become more difficult to surmount by 2020.

Highlights

  • PSTN shutdown will take decades. Some service providers have no plans to do so at all, and some will do so incrementally over time. Migration of PSTN services and customers will happen faster than network shutdowns, but only just. On an aggregate global basis, PSTN migration is still in relatively early stages.
  • PSTN migration brings significant benefits, especially when done in a timely, accurate fashion and when combined with NGA upgrades. The benefits can be higher when implemented at the time of next-generation access network upgrades to create a single all-IP network.
  • PSTN migration will become an urgent issue very soon because vendors are planning to discontinue PSTN-related product lines and support. The aging workforce with knowledge of PSTN infrastructure will add to the urgency.

Features and Benefits

  • Outlines and discusses the benefits and challenges of PSTN migration
  • Highlights the urgency for service providers to develop a plan for migration

Key questions answered

  • What are the benefits and challenges of PSTN migration?
  • Are service providers prioritizing PSTN migration? Why or why not?
  • What are the tools available to service providers to aid in PSTN migration?

Table of contents

Summary

  • In brief
  • Ovum view
  • Recommendations

Market status

  • Service providers know that PSTN migration will take time
  • Service providers and PSTN migration status

Opportunities and benefits for service providers

  • Multiple drivers of PSTN migration
  • As end-of-life approaches, technology, products, and vendor support fades
  • Reducing operating costs a significant potential benefit
  • Protecting voice revenues
  • The dream of all-IP: more services and faster to market
  • PSTN migration in conjunction with next-generation access upgrades is an opportunity for synergies

Barriers and challenges to PSTN migration

  • Ovum survey shows next-gen access and increasing ARPU are top priorities for 2015, not decommissioning of copper network
  • Business silos prevent true understanding of PSTN-related costs and return on capex investment
  • Uncertainty about how to implement migration
  • Regulatory issues: QoS, VoBB, interconnection

Case studies

  • Turk Telekom
  • NTT East & West

Vendor solutions support end-to-end migration

  • Project-oriented solutions focus on business and technical opportunities and risks
  • Conclusion

Appendix

  • Methodology
  • Further reading
  • Author

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