skip to main content
Close Icon We use cookies to improve your website experience.  To learn about our use of cookies and how you can manage your cookie settings, please see our Cookie Policy.  By continuing to use the website, you consent to our use of cookies.
Global Search Configuration


Orange recently announced that it has begun the transition to all-IP telephony services with a pilot in the Finistere region of France. This announcement supports one of the key messages of Ovum’s recently published Future of Communications report, which predicts that by 2025 all voice services will be carried by IP (with the exception of a few laggards).


  • Operators are making public announcements in relation to their PSTN migration strategies and giving credence to Ovum's bold claim of all voice being carried via IP by 2025.

Features and Benefits

  • Read about the latest PSTN migration announcements.
  • See what Ovum's opinions are on PSTN migration.

Key questions answered

  • Which operators have already started and completed their PSTN transition?
  • What are the key drivers for PSTN migration?

Table of contents

Ovum view

  • Summary
  • Orange is just one of many players on the road to IP transformation
  • The drivers for all-IP transition are cost savings, lack of vendor support, and a declining customer base
  • Regulation will remain a barrier, but most will still complete the transition by 2025


  • Further reading
  • Author

Recommended Articles


Have any questions? Speak to a Specialist

Europe, Middle East & Africa team - +44 (0) 207 017 7700

Asia-Pacific team - +61 (0)3 960 16700

US team - +1 646 957 8878

Email us at

You can also contact your named/allocated Client Services Executive using their direct dial.
PR enquiries - Call us at +44 788 597 5160 or email us at

Contact marketing -

Already an Ovum client? Login to the Knowledge Center now