Re: [hylafax-users] Occasional Total and complete failure

[Lee Howard <faxguy@deanox.com>]

At 01:17 AM 4/7/01 -0700, Paul A. Franz, P.E. wrote:
>Occasionally when sending and possibly when receiving, maybe one fax in 50 
>fails with messages like the following.

>Apr 06 21:39:31.44: [17047]: --> [39:+FNSF:00 00 6A AA AA 00 31 0D 01 B7 00 ]
>Apr 06 21:39:31.44: [17047]: REMOTE NSF "00 00 6A AA AA 00 31 0D 01 B7 00"
>Apr 06 21:39:31.44: [17047]: NSF remote fax equipment: unknown

What is the make and model of the remote fax machine?

>Apr 06 21:39:31.44: [17047]: <-- [7:AT+FDT\r]
>Apr 06 21:40:26.87: [17047]: --> [10:NO CARRIER]
>Apr 06 21:40:26.87: [17047]: MODEM No carrier

So after communicating fine and then one minute of wating for a response to
+FDT, the remote has hung up on you.

>Apr 06 21:40:26.87: [17047]: <-- [6:AT+FK\r]
>Apr 06 21:40:26.99: [17047]: --> [5:ERROR]
>Apr 06 21:40:26.99: [17047]: MODEM Command error

And, obviously +FK fails and generates an error since it's only valid when
there is a carrier.  But, since the remote has already hung up the result
is the same.

>Apr 06 21:40:27.00: [17047]: SEND: Communication failure during Phase B/C; 
>Giving up after 3 attempts to send same page "docq/doc936.ps;01", dirnum 0
>Apr 06 21:40:27.00: [17047]: <-- [5:ATH0\r]
>Apr 06 21:40:27.13: [17047]: --> [2:OK]
>Apr 06 21:40:27.13: [17047]: SESSION END

The problem?  I would guess at flow control, but I'm not sure.  What are
the ModemFlowControl, ModemHardFlowCmd, ModemSoftFlowCmd, Class2HFLOCmd,
and Class2SFLOCmd settings in your config file?

Lee.



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