Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Parameters
Permitted
Values
Default
1 (IPv6) or 2 (IPv4 & IPv6), and "static.network.ipv6_internet_port.type" is set to 1 (Static IP
Address). 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->IP Address
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->WAN Port->IPv6->Type (Static
IP) ->IP Address
static.network.ipv6_prefix
Integer from 0
to 128
64
Description:
Configures the IPv6 prefix.
Note: It works only if the value of the parameter “static.network.ip_address_mode” is set to
1 (IPv6) or 2 (IPv4 & IPv6), and "static.network.ipv6_internet_port.type" is set to 1 (Static IP
Address). 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->IPv6 Prefix(0~128)
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->WAN Port->IPv6-> Type (Static
IP) ->IPv6 IP Prefix
static.network.ipv6_internet_port.gateway
IPv6 address
Blank
Description:
Configures the IPv6 default gateway.
Example:
static.network.ipv6_internet_port.gateway = 3036:1:1:c3c7:c11c:5447:23a6:255
Note: It works only if the value of the parameter “static.network.ip_address_mode” is set to
1 (IPv6) or 2 (IPv4 & IPv6), and "static.network.ipv6_internet_port.type" is set to 1 (Static IP
Address).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->Default Gateway
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->WAN Port->IPv6->Type (Static