Automatic Dialer for 3CX using CFD

Need to build an automatic dialer using Call Flow designer on 3CX version 15 plus with the following functionalities: An API to receive calling data (preferably rest) Number to be dialed Time (optional) Extension or Que or multiple extensions (dynamic que) Campaign ID Customer ID The dialer will establish the call automatically one after the other giving a configurable pause between calls In case the call is not established, the dialer will call an API to pass on the reason Telephone number not reachable Reason code Customer ID Campaign ID Provision for a number to opt out of automatic dialer and the admin to option out an extension from dialer The contracts for the 2 APIs mentioned (one for receiving calling details and one for passing on the not established call information will be provided by us. The developer has to develop on their environment and deploy in the testing environment provided by us.