Yealink SIP-T2 SERIES Administrator's Manual page 878

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Description:
Configures the type of certificates in the Trusted Certificates list for the IP phone to
authenticate for TLS connection.
0-Default Certificates
1-Custom Certificates
2-All Certificates
Note: If you change this parameter, the IP phone will reboot to make the change
take effect.
Web User Interface:
Security->Trusted Certificates->CA Certificates
Phone User Interface:
None
security.cn_validation
Description:
Enables or disables the IP phone to mandatorily validate the CommonName or
SubjectAltName of the certificate sent by the server.
0-Disabled
1-Enabled
Note: If you change this parameter, the IP phone will reboot to make the change
take effect.
Web User Interface:
Security->Trusted Certificates->Common Name Validation
Phone User Interface:
None
security.dev_cert
Description:
Configures the type of the device certificates for the IP phone to send for TLS
authentication
0-Default Certificates
1-Custom Certificates
Note: If you change this parameter, the IP phone will reboot to make the change
take effect.
856
Parameters
.
Permitted Values
0 or 1
0 or 1
Default
0
0