You can change the IP address for IP Office in the system settings within Chronicall/ACR.
- Open up Chronicall/ACR
- Navigate to Admin System > System Settings > Server Edition
- Click the 3 dots to the right of "IP Office Connections"
- This will open up a menu displaying all of your IP Office sites that are connected to Chronicall/ACR
- Select the site needing the IP address change and edit the address in the field provided
- Once the IP address has been changed, make sure to save the setting changes