Aastra 9000i Series Administrator's Manual page 239

IP Phone UI
Step Action
11 Press until the Options List screen displays.
12 Press Restart to restart the phone for the change to take affect.
Aastra Web UI
Step Action
1 For global configuration, click on Advanced Settings->Global SIP->Basic SIP Authentication
Settings.
Or, for per-line configuration, click on Advanced Settings->Line N (1-9)0->Basic SIP
Authentication Settings.
Configure SIP authentication settings:
2 In the "Screen Name" field, enter the screen name that displays on the idle screen.
4-76 41-001343-01 Rev 02, Release 3.2.2