Yealink SIP-T21 E2

Setting Up Your System
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b) If you select EAP-TLS:
1) (Optional.) Enter the anonymous user name for authentication in the
Anonymous Identity field.
2) Enter the user name for authentication in the Identity field.
3) Leave the MD5 Password field blank.
4) In the CA Certificates field, click Browse to select the desired CA certificate
(*.pem, *.crt, *.cer or *.der) from your local system.
5) In the Device Certificates field, click Browse to select the desired client (*.pem
or *.cer) certificate from your local system.
6) Click Upload to upload the certificates.
c) If you select EAP-PEAP/MSCHAPv2:
1) (Optional.) Enter the anonymous user name for authentication in the
Anonymous Identity field.
2) Enter the user name for authentication in the Identity field.
3) Enter the password for authentication in the MD5 Password field.
4) In the CA Certificates field, click Browse to select the desired CA certificate
(*.pem, *.crt, *.cer or *.der) from your local system.