The Campaign Monitor does not show any dispositions and campaign state is Active for long time and the system updates the Attempt In Progress disposition after every retry interval.
Proposed solution
Procedure
In the navigation pane, click System Management > MPP Manager.
On the MPP Manager page, verify if the MPP mode is online and is in the running state. Also, check how many inbound and outbound calls are currently active.
Verify whether all the steps for exchanging certificates for the application server are performed correctly.
Ensure that the application defined in POM strategy is valid. If not, the MPP server cannot initiate the CCXML session.