Issue in sending FAX to SOST

Hi Experts,

I have developed one custom Adobe form for 'Delivery note' and configured in NACE with custom output type and using print program RVADDN01. I am using ENTRY_PDF subroutine in NACE.

Getting correct print preview.

But the issue is..I am not able to send FAX to SOST. NACE configuration is correct, SCOT settings are correct.

All routines are giving return code as 0 and sy-subrc  as 0 in print program but the entry is coming to SOST.

Please let me know whether this print program is suitable for handling FAX or not. suggest me if you have any idea on this issue.

Regards,

Dileep.