FAX return codes

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Anyone know where we can look up these return codes?

Message ID . . . . . . :   FAXC708       Severity . . . . . . . :   20
Message type . . . . . :   Completion
Date sent  . . . . . . :   09/12/02      Time sent  . . . . . . : 08:49:01


Message . . . . :   A fax communications failure occurred while processing

  SNDFAX request to telephone number 912603573399.
Cause . . . . . :   While attempting to send spooled file POFAXF number
000004
  from job 471100/BILLD23/PUR520C to telephone number 912603573399, a fax

  communications failure occurred.
Recovery  . . . :   Retry the SNDFAX request at a later time.  Before the

  error occurred 00000 pages were sent.  The Fax Adapter/Modem return
codes
  are X'FFFE' X'0019' X'0000'.
Technical description . . . . . . . . :   Fax controller module I.D. is
  X'F4000011'.

Rob Berendt
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
Benjamin Franklin