Yealink SIP-T58V/A

Configuring Security Features
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To configure the trusted certificates via web user interface:
1. Click on Security->Trusted Certificates.
2. Select the desired values from the pull-down lists of Only Accept Trusted Certificates,
Common Name Validation and CA Certificates.
3. Click Confirm to accept the change.
A dialog box pops up to prompt that the settings will take effect after a reboot.
4. Click OK to reboot the phone.
To upload a trusted certificate via web user interface:
1. Click on Security->Trusted Certificates.