Robert Colquhoun has written a script to parse error data out of xferfaxlog called errorstats.sh.
It provides an error report by modem; and to give an illustration of the output, below is a 1998 log of a HylaFAX v4.0pl2 send-only system using a Multitech MT3334ZDX modem.
count 1 Modem: ttyS1 Total faxes sent: 850 Error No Rate/1000 ------------------------------------------------------------------------------ No response to MPS repeated 3 times; Giving up after 3 attem 1 1.2 Unspecified Transmit Phase B error; too many attempts to sen 8 9.4 Unspecified Transmit Phase B error 21 24.7 No answer from remote; too many attempts to dial 4 4.7 RSPREC error/got DCN 2 2.4 No response to MPS repeated 3 times; too many attempts to se 2 2.4 No response to MPS repeated 3 times 2 2.4 No response to EOP repeated 3 times 3 3.5 Job aborted by user 2 2.4 No answer (T.30 T1 timeout) 15 17.6 DCS sent 3 times without response 2 2.4 Document was encoded with 2DMR, but client does not support 6 7.1 No answer from remote 181 212.9 Client does not support document page width, max remote page 18 21.2 No carrier detected 13 15.3 ------------------------------------------------------------------------------ Total 280 329.4