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Re: [hylafax-users] No response to MPS or EOP repeated 3 tries
On 2003.10.10 04:49 Priya wrote:
It may be necessary to fake an MCF frame.
Huh?! "Faking" any remote response signal is totally inappropriate.
"Faking" an MCF frame would not provide us confirmation that the remote
received the image data properly.
I suspect, though, that most serious developers are using Class 2 or
2.0
modems.
I consider myself a serious developer :-) and I use Class 1 most of the
time. There's not much for us to develop in Class 2, anyway.
No response to MPS/EOP in Class 1 these days generally means that the
remote fax machine is having trouble printing or decoding the image
data. Sometime it just means we need to wait longer for the response,
but generally it means the remote didn't actually complete the receive.
Oct 10 17:03:30.23: [19887]: REMOTE CSI "91 11 24365979"
Oct 10 17:03:30.23: [19887]: <-- [9:AT+FRH=3\r]
Oct 10 17:03:30.25: [19887]: --> [7:CONNECT]
Oct 10 17:03:30.49: [19887]: --> HDLC<9:FF C8 01 00 77 15 22 17 5D>
Oct 10 17:03:30.50: [19887]: --> [2:OK]
Oct 10 17:03:30.50: [19887]: REMOTE best rate 14400 bit/s
Oct 10 17:03:30.50: [19887]: REMOTE max page width 1728 pixels in 215
mm
Oct 10 17:03:30.50: [19887]: REMOTE max unlimited page length
Oct 10 17:03:30.50: [19887]: REMOTE best vres 7.7 line/mm
Oct 10 17:03:30.50: [19887]: REMOTE best format 2-D MMR
Oct 10 17:03:30.50: [19887]: REMOTE supports T.30 Annex A, ECM
Oct 10 17:03:30.50: [19887]: REMOTE best 10 ms/scanline
The remote supports ECM. If you are seriously interested in getting
the fax sent properly, and if you are seriously interested in
benefiting HylaFAX, I suggest you check out HylaFAX CVS which now
supports ECM and MMR. Use of ECM gives a VERY clear idea of what's
going on in the data-portion of the transmission.
Lee.
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