Polycom 1500 - page 146

User Guide for the Polycom VVX 1500 Phone
3 - 36
2. Tap the line for which you want to apply Do Not Disturb.
The Do Not Disturb screen displays.
3. Tap the Enable soft key.
The Do Not Disturb icon, , displays on each LineKey for the line you
selected.
The following figure shows Do Not Disturb enabled for one line only.