• Trading partners and customers on the VAN must dial-up to the VAN to retrieve their messages (whenever convenient to them.) These dial-up delays further increase the transmission of the files.
• Typical End Result:
  Company's product shipments typically have the (unpleasent) habit of arriving at customer sites ahead of their processing orders. This means that somebody at the receiving site has to call the shipping plant to tell the shipper to fax the work order over. The order would then have to be keyed in to their system...