Aastra Telecom CT9143i - Manual (Page 23)

New Features in Release 2.3
RN-001029-02, Release 2.3, Rev 00 19
SIP IP Phone Models 9143i, 9480i, 9480i CT and 5i Series Phones Release Note 2.3
Configuring DHCP Option 77 User Class via the IP Phone UI
Use the following procedure to configure the phone to use DHCP Option 77.
Aastra IP Phone UI
Step Action
1 Press Options, and then select Administrator Menu.
On the 51i:
Press Services, and then select Options->Administrator Menu.
2 Select Network Settings.
3 Select DHCP Settings.
4 Select DHCP User Class.
5 In the “DHCP User Class” field, enter a DHCP User Class to apply to your phones, then press DONE.
Valid values are up to 64 alpha-numeric characters. For example, “admin”.
6 Restart the phone for the change to take affect.