Yealink SIP T2 Series Provisioning Manual page 128

Yealink IP Phones Auto Provisioning Guide
Parameter
security.cn_validation
security.dev_cert
security.user_name.user
122
Permitted
Values
1-Custom Certificates
2-All Certificates
The default value is 2.
It takes effect after a reboot.
It enables or disables the IP phone to mandatorily
validate the CommonName or SubjectAltName of
the certificate sent by the server.
0-Disabled
0 or 1
1-Enabled
The default value is 0.
It takes effect after a reboot.
It configures the type of the device certificates for
the IP phone to send for TLS authentication.
0-Default Certificates
0 or 1
1-Custom Certificates
The default value is 0.
It takes effect after a reboot.
It configures the user name of the user for phone's
String within
web user interface access.
32 characters
The default value is user.
Descriptions
Security->Trusted
Certificates->Common Name
Validation
Security->Server Certificates->Device
Certificates
Web Setting Path