Payment card point-of-sale service quality monitoring system, apparatus, and method

摘要: A system for determining the cause of lost, delayed or erroneous responses in a network authorizing payment card transactions from point view point-of-sale terminal that forms part network. request authorization is entered into terminal, transmits message requesting to computer network, and receives return response computer. The logs origination time message, elapsed between at which it transaction serial number, and, optionally, other data each authorization. In variation, adds stamp as returns terminal. shows time, identity, status, etc. additionally stamps received message. further processes transit instead time. all variations, uploads logged time-to-time analysis, preferably by