Gateway 6.11.4 and above
OS: Generic

-- By default the files are transferred through AS2 using binary MIME type

MIME type: application/octet-stream
Document class: Binary

-- How to send files using:

MIME type: application/EDIFACT  
Document class: EDIFACT

Depending on how the files are transferred:

-- Using peltrans command
the following parameter can be specified in the command line:
[-content_type(-dct)]

Example:
peltrans -model model_name -dct  "application/EDIFACT"

-- When using a model the same parameter "content type" can be added using the same value as above : application/EDIFACT