Yealink T48G, Administrator'S Manual

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Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
416
Note
Resetting the IP phone to factory defaults will delete custom certificates by default. However, this feature is
configurable by the parameter “static.phone_setting.reserve_certs_enable” using the configuration file.
Resetting the IP phone to factory defaults will delete trusted and server certificates settings by default.
However, this feature is configurable by the parameter “phone_setting.reserve_certs_config.enable” using
the configuration file.
Topic
Supported Trusted Certificates
Supported Trusted Certificates
Yealink IP phones trust the following CAs by default:

DigiCert High Assurance EV Root CA

Deutsche Telekom Root CA 2

Equifax Secure Certificate Authority

Equifax Secure eBusiness CA-1

Equifax Secure Global eBusiness CA-1

GeoTrust Global CA

GeoTrust Global CA2

GeoTrust Primary Certification Authority

GeoTrust Primary Certification Authority G2

GeoTrust Universal CA

GeoTrust Universal CA2

Thawte Personal Freemail CA

Thawte Premium Server CA

Thawte Primary Root CA

Thawte Primary Root CA - G2

Thawte Primary Root CA - G3

Thawte Server CA

VeriSign Class 1 Public Primary Certification Authority

VeriSign Class 1 Public Primary Certification Authority - G2

VeriSign Class 1 Public Primary Certification Authority - G3

VeriSign Class 2 Public Primary Certification Authority - G2

VeriSign Class 2 Public Primary Certification Authority - G3

VeriSign Class 3 Public Primary Certification Authority

VeriSign Class 3 Public Primary Certification Authority - G2