/mcpGET http://<connection-server>/vmrest/version/product/ The following is the response from the above GET request and the actual response will depend upon the information given by you: <VersionInformation> <name>Cisco Unity Connection Version</name> <version>11.5.1.17108-2</version> </VersionInformation> Response Code: 200 Cisco Unity Connection Provisioning Interface (CUPI) API 8 Cisco Unity Connection Provisioning Interface (CUPI) API -- About Versioning Getting Unity Connection Version