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Re: [hylafax-users] RECV/CQ: Bad 1D pixel count ...



Diego Chaparro wrote:

On Wed, 2005-03-09 at 09:01 -0800, Lee Howard wrote:


Diego Chaparro wrote:
[...]


Mar 02 14:14:20.73: [ 2382]: <-- [9:AT+FTH=3\r]
Mar 02 14:14:20.89: [ 2382]: --> [7:CONNECT]
Mar 02 14:14:20.89: [ 2382]: RECV send MCF (message confirmation)



The sender chose to not use ECM. Unfortunately, then, you're at risk of getting this kind of thing happening.



Thanks for your answer, but is it normal to happen this kind of things?



It's "normal" in real-world scenarios. However, I don't think that you should be seeing problems in the test environment that you're using. If you could make the sending machine use ECM it would make the logs more forthcoming with the actual problems.


I have the sender fax machine connected to the same pbx as the receiver
hylafax server separated by 3 meters of distance, and i always get these
errors in all faxes received. I have even tested with another hylafax
server to send the faxes instead of the fax machine but the errors are
the same. I've done a lot of tests, but i haven't received any fax
document without errors, is it normal?



No, it shouldn't be normal in that environment, but your PBX is probably the culprit. Can you connect the sending machine directly to the receiving machine? (Just connect the two "line" ports together with a cable, and do 'faxanswer' on the receiver at the appropriate time.)


There is something i can do to improve it? Maybe the ECM in the modem
isn't working properly? A modem change can help with that problems, or
it is independent of the modem?



In Class 1 ECM is performed by HylaFAX, not the modem. So the selection to use ECM is done by the sending machine. Maybe you should send logs from both the sender and the receiver when you have HylaFAX both sending and receiving.


Lee.

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