Patent ID: 7627523

Claim:
A transaction processing system comprising: at least one computer; a plurality of external devices adapted to carry out financial transactions in operative connection with the at least one computer; at least one message processing program (MPP) operative in the at least one computer; at least one timing function operative in the at least one computer; a problem management software function operative in the at least one computer; wherein in operation of the system when a device message is sent by the at least one computer to an external device responsive to operation of an MPP, the MPP is operative to cause a timing message to be sent to a timing function, and the timing function is operative a time after receiving the timing message to send a timing response message to the MPP, and wherein responsive to receipt of the timing response message by the MPP, the at least one computer is operative to cause a message indicative of a problem to be sent to the problem management software function.