iso8583-1993

问题 I have a jpos implementation that sends and receives iso messages. It first requires sign-on before anything else. As a client, i am able to send request (customized.xml packager) and also receive response successfully with no issue. However, when the other party sends request to me, the same packager (customized.xml packager) is unable to unpack the request received. To try to resolve issue with incoming request, i decided to create a new customized packager (customized2.xml) but i noticed

问题 I'm developing a Connector with some bank, and we're using the ISO8583 protocol, right now, i'm setting the STAN(field 11) with some random number generated with a random generator but sometimes I have some number collisions, the question is, could I safely use this generator or do I need to make the STAN a sequential number? Thanks in advance. 回答1: The System Trace Audit Number (STAN) ISO-8583 number has different values and is maintained basically between relationships within the