Yealink SIP-T20, User Manual, Page: 27 / 126

Getting Started
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3. Press or to select IPv4, IPv6 or IPv4 & IPv6 from the IP Mode field.
4. Press to accept the change.
To configure a static IPv4 address via phone user interface:
1. Press .
2. Select Settings->Advanced (password: admin) ->Network->WAN Port.
3. Press to select IPv4 and press .
4. Press to select Static IP and press .
5. Enter the desired values in the IP Address, Subnet Mask, Default Gateway, Pri.DNS
and Sec.DNS fields respectively.
6. Press to accept the change.
To configure a static IPv6 address via phone user interface:
1. Press .
2. Select Settings->Advanced (password: admin) ->Network->WAN Port.
3. Press to select IPv6 and press .
4. Press to select Static IPv6 and press .
5. Enter the desired values in the IPv6, IPv6 Prefix, IPv6 Gateway, IPv6 Pri.DNS and
IPv6 Sec.DNS fields respectively.
6. Press to accept the change.
If you are using an xDSL modem for IPv4 network connection, you can connect your
phone to the Internet via PPPoE mode. Set the WAN port as a PPPoE port. The PPPoE port
will perform a PPP negotiation to obtain the IP address. Contact your system
administrator for the PPPoE user name and password.
1. IP Address: 192.168.0.3
123
1. IP Mode:
◄ IPv4 & IPv6 ▶
1. IPv6: 2005:1:1:1::12
2aB