Delivery SMS status

Parameters:
DN_MessageID (Mandatory) - identification of AO message releated to this delivery report
DN_StatusCode (Mandatory) - Result of delivery
DN_Timestamp (Mandatory) - Timestamp of message status
DN_StatusText (Optional) - Human-readable description of message status
DN_Source (Optional) - source number, ie. '+420602123456' (copy of MT_Destination from AO message)
DN_Destination (Optional) - destination number, ie. '9003030' (copy of MT_Source from AO message)

{
    "status": "ok",
    "message": "SMS status received."
}