Yealink SIP-T2XP Administrator's Manual page 452

Administrator's Guide for SIP-T2xP IP Phones
network.ipv6_internet_port.gateway = 3036:1:1:c3c7:c11c:5447:23a6:255
Note: If you change this parameter, the IP phone will reboot to make the change
take effect.
Web User Interface:
Network->Basic->IPv6 Config->Static IP Address->Gateway
Phone User Interface:
Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port->IPv6->Static IPv6 Client->IPv6 Gateway
network.ipv6_primary_dns
Description:
Configures the primary IPv6 DNS server when the IP address mode is configured as
IPv6 or IPv4&IPv6, and the Internet (WAN) port type for IPv6 is configured as Static IP
Address, or and the Internet (WAN) port type for IPv6 is configured as DHCP and
Staic DNS is configured as Enabled.
Example:
network.ipv6_primary_dns = 3036:1:1:c3c7: c11c:5447:23a6:256
Note: If you change this parameter, the IP phone will reboot to make the change
take effect.
Web User Interface:
Network->Basic->IPv6 Config->Static IP Address->Primary DNS
Phone User Interface:
Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port->IPv6->Static IPv6 Client->IPv6 Pri.DNS
Or Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port->IPv6->DHCP IPv6 Client->Staic DNS(Enabled) ->IPv6
Pri.DNS
network.ipv6_secondary_dns
Description:
Configures the secondary IPv6 DNS server when the IP address mode is configured
as IPv6 or IPv4&IPv6, and the Internet (WAN) port type for IPv6 is configured as
Static IP Address, or and the Internet (WAN) port type for IPv6 is configured as
DHCP and Staic DNS is configured as Enabled.
Example:
network.ipv6_secondary_dns = 2026:1234:1:1:c3c7:c11c:5447:23a6
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Parameters Permitted Values
IPv6 address
IPv6 address
Default
Blank
Blank