Yealink SIP-T48G Administrator's Manual page 49

2. In the IPv4 Config block, mark the DHCP radio box.
3. Mark the Static DNS radio box.
4. Enter the desired values in the Primary DNS and Secondary DNS fields.
5. Click Confirm to accept the change.
A dialog box pops up to prompt that settings will take effect after a reboot.
6. Click OK to reboot the phone.
To configure static DNS when DHCP is used via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port->IPv4->DHCP IPv4 Client.
2. Press or , or the Switch soft key to select Enabled from the Static DNS field.
3. Enter the desired values in the IPv4 Pri.DNS and IPv4 Sec.DNS fields respectively.
4. Press the Save soft key to accept the change.
The IP phone reboots automatically to make settings effective after a period of time.
If DHCP is disabled or IP phones cannot obtain network parameters from the DHCP
server, you need to configure them manually. The following parameters should be
configured for IP phones to establish network connectivity:
IP Address

Subnet Mask

Default Gateway

Primary DNS

Secondary DNS

Getting Started
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