Hi, is it possible to get a delivery reciept/confirmation for an outgoing fax transmission using T.37 Off_Ramp?
Thanks in adavance
That depends on your definition of confirmation receipt. You CAN receive an SMTP-based Message Delivery Notification; however, you cannot provide a receipt to the sending device directly. This is a limitation of T.37 because it acts an asynchronous relay. The onramp T.37 gateway provides confirmation to the sending device that it has received the fax (over T.30) and then closes communications with the sending device. The only opportunity for a receipt is at the off-ramp gateway but this is not communicating with the original sender directly.
You may want to investigate T.38 as a reliable synchronous relay of fax data if you need the actual sending device to get a traditional confirmation or failure notification.