what is the different between BASE24 message format and iso8583 format.

[MrSamintha]

What is the difference between Iso8583 and Base24 ? i can't find any, it is seemed as equal.

[chhil]

Please read the chapter on ISO8583 in http://jpos.org/doc/proguide-draft.pdf

Brief answer:

ISo8583 is a protocol with flavors, each entity will implement it in their own way. While the common data will probably use the same fields (e.g.pan, track2, response code), proprietary data field will be added.

Plus packaging of each field will vary across entities (data may be transferred, as BCD,ASCII,HEX. Data may be fixed or variable length and have a length prepended to the actual data and that length itself can be packaged in numerous ways). So you have to go field by field from your spec and pick the correct packager for it.

If ISO8583 was really a standard, we would not have to write different packagers to pack/unpack the message, one packager would rule them all.

-chhil

On Tue, Oct 6, 2015 at 2:58 PM, MrSamintha <wgs...@gmail.com> wrote:

What is the difference between Iso8583 and Base24 ? i can't find any, it is seemed as equal.

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[Victor Contin]

The main difference of ISO8583 (1987) B24 and the specification of ISO8583 (1987) is that the B24 has a header of 12 bytes and each byte has a meaning for the system handling the B24 format otherwise all fields including the Header and bitmaps they are ASCII

Victor Contin

On Tue, Oct 6, 2015 at 5:28 AM, MrSamintha <wgs...@gmail.com> wrote:

What is the difference between Iso8583 and Base24 ? i can't find any, it is seemed as equal.

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[Ron Barker]

Plus BASE24 ISO 8583-87 extended ISO to have a 16 byte terminal ids.  :)

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