You specify incoming call settings in the User information section of the UCE Desktop screen.
Do Not Disturb
To put your phone in Do Not Disturb mode (DND), click the Incoming call options icon and choose DND Setting. Repeat to turn DND off.
To forward your calls to another number click the Incoming call options icon and choose Forward Setting. Enter the forwarding number and click On. To turn call forwarding off, clear the number and click Off.