Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint250Time Zone Time Zone Name+13:00 Tonga(Nukualofa)+13:30 Chatham Islands+14:00 KiribatiYealink IP phones trust the following CAs by default: DigiCert High Assurance EV Root CA Deutsche Telekom AG 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 CA GeoTrust Primary CA G2 ECC GeoTrust Universal CA GeoTrust Universal CA2 Thawte Personal Freemail CA Thawte Premium Server CA Thawte Primary Root CA - G1 (EV) Thawte Primary Root CA - G2 (ECC) Thawte Primary Root CA - G3 (SHA256) 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 VeriSign Class 3 Public Primary Certification Authority - G3 VeriSign Class 3 Public Primary Certification Authority - G4 VeriSign Class 3 Public Primary Certification Authority - G5 VeriSign Class 4 Public Primary Certification Authority - G2 VeriSign Class 4 Public Primary Certification Authority - G3