I have no clear idea how many people actually use my software for fairly high volumes. There are now clearly many thousands successfully using it for modest levels of faxing. I have heard from a few people doing rather higher volumes than you. Other people have problem - I mean genuine problems, rather than the frame slips issues. I don't get enough feedback to really work out what it going on with those troublesome installations.

What is the best way to determine if problems are "genuine" problems or are frame-slip issues?

I have a dual xeon 3.0/2GB ram with a T100P connected to a PRI. We do not have a very high fax volume. Right now we recieve about 15 faxes per day, with each fax tending to be anywhere from 5 to 25 pages. (e.g. 75 to 375 pages/day) I have found 3 specific fax machines (all 3 are internal fax machines at our remote offices) that refuse to fax even a single page to spanDSP. 2 of the machines are HP machines, and the the 3rd was a brand I'd never heard of. I can attempt (and fail) to send from one of the 3 "problem" machines and then immediately send a perfect 25 page fax from one of our other machines.

zttest shows 100% most of the time, but 99.987793%'s pop up in there sometimes. I'm guessing this is an indication of frame-slips. Do some fax machines just have better error correction than others?

All 3 of the "problem" faxe machines belong to us, so if the problem does not sound like frame-slips, I can provide any kind of testing or logs that might help determine what the issue is.

Eric

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