Aastra Telecom REV 06 - Manual (Page 16)

Features in Release 2.2
12 RN-001029-00, Rev 06, Release 2.2
IP Phone Release Notes 2.2
6 Click to save your changes.
The change takes effect immediately without a reboot.
7 Click on Operation->Softkeys and XML;
or
Click on Operation->Programmable Keys;
or
Click on Operation->Expansion Module.
Note: If there is no DND key configured or if it is removed, DND is disabled on the IP Phone.
8 Click to save your changes.
Aastra Web UI
Softkeys 1 and 2 configured for DND