[hylafax-users] Premature EOT from some fax machines

[Jason Reiser <jason@xxxxxxxxxxx>]

Hey folks,

We have a recent installation of Hylafax in a receive-only environment
that works, but fails to receive faxes from at least two companies.  From
our end we get "EOT received (end of transmission)" followed by "RECV FAX:
RSPREC error/got EOT" which seems like the sending side is saying, "I'm
done" except they're not.  Am I reading that right?

We're investigating the make/model of the sending machines in case that's 
of any help.  One reports that they're using a Xerox machine but is 
frustrated that this is a problem on our side, and not terribly willing to 
help out with more details thusfar.  Other V.34-Fax (SuperG3) machines do 
seem to work, but I believe the logs are showing failures so far only with 
V.34, so I suspect changing to Class 1 would be wise as a temporary 
workaround.  Going to try that shortly.

Our setup:
CentOS 3.5
HylaFAX version 4.2.3 installed via RPM (hylafax-4.2.3-1rhel3)
ISI5634PCI ver 4.28d
Class 1.0

Log of a failed transmission:
Jan 03 11:09:42.51: [10300]: SESSION BEGIN 000000148 16315551212
Jan 03 11:09:42.51: [10300]: HylaFAX (tm) Version 4.2.3
Jan 03 11:09:42.51: [10300]: <-- [4:ATA\r]
Jan 03 11:09:55.50: [10300]: --> [9:+F34:11,1]
Jan 03 11:09:55.50: [10300]: V.8 handshaking succeeded, V.34-Fax (SuperG3) 
capability enabled.
Jan 03 11:09:55.50: [10300]: Primary channel rate: 26400 bit/s, Control 
channel rate: 1200 bit/s.
Jan 03 11:09:55.50: [10300]: --> [7:CONNECT]
Jan 03 11:09:55.50: [10300]: ANSWER: FAX CONNECTION  DEVICE '/dev/ttyM1b'
Jan 03 11:09:55.50: [10300]: RECV FAX: begin
Jan 03 11:09:55.50: [10300]: Control channel selected
Jan 03 11:09:55.50: [10300]: <-- data [32]
Jan 03 11:09:55.50: [10300]: <-- data [2]
Jan 03 11:09:55.50: [10300]: <-- data [23]
Jan 03 11:09:55.50: [10300]: <-- data [2]
Jan 03 11:09:55.50: [10300]: <-- data [13]
Jan 03 11:09:55.50: [10300]: <-- data [2]
Jan 03 11:09:56.69: [10300]: EOT received (end of transmission)
Jan 03 11:09:56.69: [10300]: RECV FAX: RSPREC error/got EOT
Jan 03 11:09:56.69: [10300]: RECV FAX: end
Jan 03 11:09:56.69: [10300]: SESSION END


Thanks!

- Jason



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