Yealink SIP-T21 E2

Setting Up Your System
55
Parameter
Permitted Values
Default
For SIP-T23P IP phones:
The default value is SIP-T23P.
For SIP-T23G IP phones:
The default value is SIP-T23G.
For SIP-T21P E2 IP phones:
The default value is SIP-T21P_E2.
For SIP-T21 E2 IP phones:
The default value is SIP-T21_E2.
For SIP-T19P E2 IP phones:
The default value is SIP-T19P_E2.
For SIP-T19 E2 IP phones:
The default value is SIP-T19_E2.
For CP860 IP phones:
The default value is CP860.
For CP920 IP phones:
The default value is SIP-CP920.
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 Features->General Information.