Cisco UC500 series Configuration Manual page 11

4.3.2 This should pop up a new window - add the below:
Name: whatever name you need for the community (usually the customer name)
Discover: Choose "a single device by IP address" option from the dropdown
IP address: Enter 192.168.10.1
Click on Start
Figure 4.3.2 Community Setup
© 2008 Cisco Systems, Inc. All rights reserved.