flexfax: faxgetty doesn't receive incoming faxes

[Erwin Kaiser <ekaiser@snafu.de>]

Hallo list!
I'm running hylafax - May 8, 1996 - and sending faxes works well but
receiving doesn't. Output in /var/spool/fax/log reads:

Sep 06 13:34:40.97: [  189]: SESSION BEGIN 00000009 49302154245
Sep 06 13:34:40.97: [  189]: <-- [4:ATA\r]
Sep 06 13:34:46.79: [  189]: --> [3:FAX]
Sep 06 13:34:46.79: [  189]: MODEM set baud rate: 19200 baud (flow control unchanged)
Sep 06 13:34:46.79: [  189]: MODEM set baud rate: 19200 baud, input flow XON/XOFF, output flow XON/XOFF
Sep 06 13:34:46.79: [  189]: ANSWER: FAX CONNECTION
Sep 06 13:34:46.79: [  189]: MODEM input buffering enabled
Sep 06 13:34:46.79: [  189]: RECV FAX: begin
Sep 06 13:37:46.79: [  189]: MODEM TIMEOUT: reading line from modem
Sep 06 13:37:46.79: [  189]: REMOTE HANGUP: Unspecified Receive Phase B error (code 70)
Sep 06 13:37:46.79: [  189]: RECV FAX: Unspecified Receive Phase B error
Sep 06 13:37:46.79: [  189]: RECV FAX: end
Sep 06 13:37:46.79: [  189]: SESSION END

What does this mean???
Thanks for every idea!

..................Erwin