Yealink SIP-T48G Administrator's Manual page 36

Microsoft Lync Edition Administrator's Guide for SIP-T2_Series and T4_Series IP Phones
Port->IPv4
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 a reboot.
4. Click OK to reboot the phone.
Static DNS address(es) can be configured and used when DHCP is enabled.
Procedure
Static DNS can be configured using the configuration files or locally.
Configuration File
Local
24
Parameters
<y0000000000xx>.cfg
<MAC>.cfg
Web User Interface
Permitted Values
Configure the static DNS feature.
Parameters:
network.static_dns_enable
Configure static DNS address.
Parameters:
network.primary_dns
network.secondary_dns
Configure the static DNS feature.
Configure static DNS address.
Navigate to:
http://<phoneIPAddress>/servlet
Default