Yealink SIP-T2 SERIES Administrator's Manual page 92

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
A dialog box pops up to prompt that settings will take effect after a reboot.
4. Click OK to reboot the phone.
To configure DHCP via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port->IPv4.
2. Select DHCP IPv4 Client and then press the Enter soft key.
3. Press the Save soft key to accept the change.
The IP phone reboots automatically to make settings effective after a period of
time.
Static DNS address(es) can be configured and used even though DHCP is enabled.
Procedure
Static DNS can be configured using the configuration files or locally.
Configuration File
Local
70
<y0000000000xx>.cfg
<MAC>.cfg
Web User Interface
Phone User Interface
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:
For
SIP-T48G/T46G/T42G/T41P/T40P/T2
9G/T27P/T23P/T23G/T21(P)
E2/T19(P) E2/CP860:
http://<phoneIPAddress>/servlet
?p=network&q=load
For SIP VP-T49G:
http://<phoneIPAddress>/servlet
?m=mod_data&p=network&q=l
oad
Configure the static DNS feature.
Configure static DNS address.