Yealink SIP-T48G Administrator's Manual page 242

Microsoft Lync Edition Administrator's Guide for SIP-T2_Series and T4_Series IP Phones
network.802_1x.root_cert_url
Description:
Configures the access URL of the CA certificate
Example:
network.802_1x.root_cert_url = http://192.168.1.10/ca.pem
Note: It works only if the value of the parameter "network.802_1x.mode" is set to 2,
3 or 4. The format of the certificate must be *.pem, *.crt, *.cer or *.der.
Web User Interface:
Network->Advanced->802.1x->CA Certificates
Phone User Interface:
None
network.802_1x.client_cert_url
Description:
Configures the access URL of the device certificate.
Example:
network.802_1x.client_cert_url = http://192.168.1.10/client.pem
Note: It works only if the value of the parameter "network.802_1x.mode" is set to 2
(EAP-TLS). The format of the certificate must be *.pem.
Web User Interface:
Network->Advanced->802.1x->Device Certificates
Phone User Interface:
None
To configure the 802.1X authentication via web user interface:
1. Click on Network->Advanced.
2. In the 802.1x block, select the desired protocol from the pull-down list of 802.1x
Mode.
a) If you select EAP-MD5:
1) Enter the user name for authentication in the Identity field.
230
Parameters Permitted Values
URL within 511 characters
.
URL within 511 characters
Default
Blank
Blank