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Yealink technical note

Yealink 802.1X Authentication

A Yealink technical note for the Yealink CP925 (34 pages).

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About this technical note

About the 802.1X Authentication

A Yealink technical note for the Yealink CP925 (34 pages). This copy, last updated by Yealink on April 3, 2026, and you can read it right here or download it.

What’s inside

  1. About 802.1X
  2. Yealink IP Phones Compatible with 802.1X
  3. Configuring 802.1X Settings
  4. Configuring 802.1X Using Configuration Files
  5. For Old Auto Provisioning Mechanism
  6. For New Auto Provisioning Mechanism
  7. Configuring 802.1X via Web User Interface
  8. Configuring 802.1X via Phone User Interface
  9. 802.1X Authentication Process
  10. Sample Screenshots – Identity
  11. Sample Screenshots - Anonymous Identity
  12. Troubleshooting
  13. Why doesn’t the IP phone pass 802.1X authentication?
  14. Appendix A: Glossary
  15. Appendix B: 802.1X Authentication Process
  16. A Successful Authentication Using EAP-MD5 Protocol
  17. A Successful Authentication Using EAP-TLS Protocol
  18. A Successful Authentication Using EAP-PEAP/MSCHAPv2 Protocol
  19. A Successful Authentication Using EAP-TTLS/EAP-MSCHAPv2 Protocol
  20. A Successful Authentication Using EAP-PEAP/GTC Protocol
  21. A Successful Authentication Using EAP-TTLS/EAP-GTC Protocol
  22. A Successful Authentication Using EAP-FAST Protocol

Phones covered

Yealink phones this technical note covers

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Yealink and Yealink product names are trademarks of Yealink Network Technology Co., Ltd. Product information, images and documents are published by Yealink and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.