Registration

The service that you require from Edicom is the stamping service, known as the EDIWIN XML/EDI SERVER. This is the service that works with LSP connectivity:

LSP_StampingService

Some ERPs do not produce the Invoice PDF within their core ERP and therefore require you to take the PDF generation function:

LSP_CFDI_PDFGeneration
Note: Refer to your ERP's documentation to see if this if required.