Yealink SIP-T2 SERIES Administrator's Manual page 100

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
For SIP-T23P IP phones:
The default value is SIP-T23P .
For SIP-T23G IP phones:
The default value is SIP-T23G.
For SIP-T21(P) E2 IP phones:
The default value is SIP-T21P_E2.
For SIP-T19(P) E2 IP phones:
The default value is SIP-T19P_E2.
For CP860 IP phones:
The default value is CP860.
Note: If you change this parameter, the IP phone will reboot to make the change take
effect.
Web User Interface:
Features->General Information->DHCP Hostname
Phone User Interface:
None
To configure DHCP option 12 hostname on the IP phone via web user interface:
1. Click on Feature->General Information.
2. Enter the desired host name in the DHCP Hostname field.
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.
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Parameters Permitted Values Default