Yealink technical note
Using Security Certificates on Yealink IP Phones V1.4
A Yealink technical note for the Yealink SIP-T31, SIP-T31G and SIP-T31P (26 pages).
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About this technical note
About the Using Security Certificates on Yealink IP Phones V1.4
A Yealink technical note for the Yealink SIP-T31, SIP-T31G and SIP-T31P (26 pages). This is version 1.4, last updated by Yealink on May 25, 2026, and you can read it right here or download it.
What’s inside
- Introduction
- Configuring Trusted Certificates on Yealink IP Phones
- Configuring Trusted Certificate via Web User Interface
- Configuring Trusted Certificate Using Configuration Files
- For Old Auto Provisioning Mechanism
- For New Auto Provisioning Mechanism
- Configuring Device Certificates on Yealink IP Phones
- Configuring Device Certificates via Web User Interface
- Configuring Device Certificates Using Configuration Files
- Using Certificates on Yealink IP Phones
- Appendix A X.509 Certificate Structure
- Appendix B Trusted Certificate Authority List
- Appendix C Creating Custom Certificates
Versions
Other versions of this document
- FILEUsing Security Certificates on Yealink IP Phones V1.0.pdfWithdrawn by YealinkUpdated Apr 3, 2026SIP-T57W
- FILEUsing Security Certificates on Yealink IP Phones V1.0.pdfWithdrawn by YealinkUpdated Apr 3, 2026SIP-T26P
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