How do I download the Using Security Certificates on Yealink IP Phones V1.4?

Use the Download button on this page (580 KB), or read it in the preview above. The file is Yealink's original technical note.

Which phones does this technical note cover?

It applies to SIP-T58W (Pro) and SIP-T58W (Pro) with Camera.

Can someone set this up for me?

Yes. The Tech Team™ can provision, update and troubleshoot Yealink phones for you. Tell us what you need and a technician will reach out.

Yealink technical note

Using Security Certificates on Yealink IP Phones V1.4

A Yealink technical note for the Yealink SIP-T58W (Pro) and SIP-T58W (Pro) with Camera (26 pages).

Download PDF (580 KB) Get setup help

Loading document preview…

About this technical note

About the Using Security Certificates on Yealink IP Phones V1.4

A Yealink technical note for the Yealink SIP-T58W (Pro) and SIP-T58W (Pro) with Camera (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

Phones covered

Yealink phones this technical note covers

SIP-T58W (Pro)

SIP-T58W (Pro) with Camera

Versions

Questions about this document

Quick answers, and The Tech Team™ is a call away if you need more.

Need help with your SIP-T58W (Pro)?

The Tech Team™ can provision, update and troubleshoot your Yealink phones, and move your office onto smplVoice cloud voice.

Talk to a technician (800) 943-7675

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.