/mcpComments Data Type Operations Parameter The unique identifier of the media port that can be used as a condition for a routing rule.Value displayed when Routing Rule Condition based on Phone System/Port is created. String (36) Read/Write MediaPortObjectId Value displayed when Routing Rule Condition based on Phone System is created. String Read Only PhoneSystemURI Value displayed when Routing Rule Condition based on Port is created. String Read Only PortURI Cisco Unity Connection Provisioning Interface (CUPI) API 583 Cisco Unity Connection Provisioning Interface (CUPI) API--Call Routing Explanation of Data Fields