Ping back May 28, 2021 10:14 Updated Follow An unanswered call will be noted as a missed call. You can use the Ping Back feature to let the customer know that you are now available. How to Ping back Open Oktium 4B, and see your Calls History. Click on it. Then click the little Bell icon and confirm that you want to send a Ping back. There is only one Ping back per missed call. Related articles Missed call Oktium & Shoptet Implementation of the Face2 button Scan & Go Lost password Comments 0 comments Please sign in to leave a comment.