Re: [hylafax-users] Fax Performance

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2004.12.02 21:00 support wrote:
> Hi everyone,
>
> When I view the hylafax daily report sent to my email account, I see
> the
> following data:
>
> Facsimile transmitted since 12/02/04 00:00:
>
> Sender                        Pages      Time Pg/min  Errs TypRate
> TypData
> ...
> ...
> ...
> ...
> --------------------------------------------------------------------------
> Total                           130   1:47:44    1.2     8
>
>
>
>
> There are 8 errors out of 130 pages. Why do errors occur?

The errors listed there are "protocol errors", meaning that something 
went wrong in the "middle" of the fax transmission (after the call was 
negotiated but before the remote confirmed the receipt of all of the 
pages).  Each error occurs for different reasons, usually.

> What is the
> major cause of error in fax?

Modem firmware problems, fax machine firmware problems, or line 
conditions.  The relative significance of each depends upon what 
equipment you use, what equipment you send to, and the general 
condition of your lines.

> Is my fax result good or bad?

A 6% error ratio isn't particularly good.  Most well-configured systems 
with good equipment will see 1% or less error ratio.  That said, if all 
8 of those errors are to the same destination, then then the statistics 
here are skewed negatively because of that one destination, and you may 
want to consider that when you decide if your 8/130 is good or bad.

1.2 pages per minute (50 seconds per page) is about normal - that 
depends greatly on *what* kinds of images you actually send and how you 
send them (what compression, and ECM or not).

Lee.

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