Intelligent Mail (aka OneCode), it is formed solely with digits 0-9. The data length must be exactly 20, 25, 29, or 31 digits.
No letters, spaces or punctuation are allowed. Only numeric digits 0-9.
If you would like to experiment with how edoc will react to OneCode inputs, here is a test template:
http://client.edocbuilder.com/iframeClient.aspx?docCode=910a44df-b450-4f58-8a51-346fe55510d0&docPwd=12280fab-2f91-4b48-92f1-dd3183b9f4dd&postbackURL=close&addToCartButton=Finished+Editing&cancelButton=Cancel+Order&approveWhenDone=true&RadUrid=f6e6837b-2a2f-4e74-98e0-30ac08965136
Article ID: 129, Created: January 3, 2013 at 2:49 AM, Modified: January 3, 2013 at 2:49 AM