Yealink SIP-T4X Administration Manual page 35

Administrator's Guide for SIP-T4X IP Phones
To configure DHCP via web user interface:
1. Click on Network->Basic.
2. In the IPv4 Config block, mark the DHCP radio box.
3. Click Confirm to accept the change.
A dialog box pops up to prompt that settings will take effect after reboot.
4. Click OK to reboot the IP phone.
To configure static DNS address when DHCP is used via web user interface:
1. Click on Network->Basic.
2. In the IPv4 Config block, mark the DHCP radio box.
3. Mark the Static DNS radio box.
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