Yealink SIP-T27G User Manual page 218

https://arttel.ru/
User Guide for the SIP-T27G IP Phone
208
https://arttel.ru/shop/ip-telefony/yealink-sip-t27g
Time Zone
+9:30 Australia(Adelaide), Australia(Darwin)
Australia(Brisbane), Australia(Hobart),
+10
Australia(Sydney,Melboume,Canberra), Russia(Vladivostok)
+10:30 Australia(Lord Howe Islands)
+11 New Caledonia(Noumea), Russia(Srednekolymsk Time)
+11:30 Norfolk Island
+12 New Zealand(Wellington,Auckland), Russia(Kamchatka Time)
+12:45 New Zealand(Chatham Islands)
+13 Tonga(Nukualofa)
+13:30 Chatham Islands
+14 Kiribati
Time Zone Name