Yealink SIP-T54S, Administrator'S Manual

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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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2.
Click
Browse
to select the certificate (*.pem, *.crt, *.cer or *.der) from your local system.
3.
Click
Upload
to upload the certificate.
To configure the server certificates via web user interface:
1.
Click on
Security
->
Server Certificates
.
2.
Select the desired value from the pull-down list of
Device Certificates
.
3.
Click
Confirm
to accept the change.
To upload a server certificate via web user interface:
1.
Click on
Security
->
Server Certificates
.