Hi, Use Case: When a customer unsubscribes via SMS, we want to add them to the quarantine list and immediately update their account details in the ACS database. We have configured an external account "SMS routing via SMPP" where when a customer sends an UNSUBSCRIBE, STOP etc, they will automatically receive an unsubscription confirmation and their phone number will be sent to quarantine list. I believe the quarantine list can only be accessed using a workflow that runs periodically. A separate w...