While learning payment technologies, I have reviewed some issuer's documentation about their implementation of ISO 8583, even though I have seen how this kind of messaging works, I have not complet...

I was wondering if anyone could help me understand difference between ISO 8583 Field 22 i.e. POS Entry Mode. I already know that: 52 means ICC Card 80 in case of fallback But what I want to kno...

I read about ISO 8583 messaging at WIKI and Code Project; I understood ISO 8583 messages can basically be divided in 3 parts: MTI (Message Type Indicator) 1.1. Version 1.2. Message Class 1.3....

I am implementing ATM Simulator, which accepts ISO8583 msg from client and unpack it using jPOS library. Error that has occured while unpacking my msg is : "error unpacking field 102: negativearray...

In ISO message, what's the use of STAN and RRN fields? Also, who will generate these values while sending ISO messages?

I am just beginner to ISO 8583 messaging format. So, i already search information about that at WIKI and Code Project So as i understand about that is.. this message we can divide 3 parts ... 1...

I have a project in which I need to interact with POS - Terminal Devices and magnetic/chip cards. Let's say, whenever customer buy goods from my department store, staff from this store will stripe ...

I'm fairly new to the whole ISO8583 concept and have been assigned to connect to a Bank's channel. I have used John Oxley's Excellent OpenIso8583.Net to make a Iso8583-standard message and send i...

I've been using j8583 to parse and construct ISO 8583 message in Java. All seems well until one of the message has field 128 in it. That field is always missing when I construct or parse a message ...