Faxing issues ...

Never could get reliable fax to an analog fax machine.
Settings that worked the best - lowest baud rate, no compression, and no ECC.

Thanks islandtech. I played around with some of the baud settings in the fax machine and even tried some different settings in the Grandstream, but it's just not happy. Usually a one or two-page fax will go through, but it's the multi-page ones we're struggling with ... usually anything over 4 pages, and it errors out. Guess I'll move it back to one of our CO lines.

Many of my clients use faxsipit.com
setup the account, program the ATA, connect it to the network, connect fax machine to the ATA, done

What type of line is the fax on?


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Toronto Canada

curlycord, are yoy asking about faxsipit.com?
The ATA (Audicodes MP202B/SIP/HTTPSFAX) connects to Faxsipipt.com through the internet and has two analog ports for fax only.

Sorry no, I meant the original poster.

Was it on POT's lines and now SIP or PRI or still POT's, we just know its now on an ATA....details might help somebody.

I know on the BCM with my current provider using SIP I had to use the G7.11 transport instead of T.38 otherwise I had the same symptoms as above.
Also for some, unchecking the SIP box on the Router helped.








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We take the time to try to answer your questions for free, please return the favor and take the time to answer back and include any resolution you found elsewhere, thanks.

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Toronto Canada

Sorry for the delay everyone - I somehow didn't get a notification that there were replies. We're using a cable provider (Charter). The lines come from their central office to their modem device. Then, they're punched down on a block and they plug into our gateway. They're administered as SIP lines in the Charter control panel, but we treat them as POTS on site, so there might be an issue there perhaps? I tried to turn off error correction on the fax machine itself, but there wasn't an option to slow the baud rate. I futzed with the baud rate settings on the Grandsteam, but didn't get any different results. 1 or 2 page faxes would be OK, but when you tried to fax 5 or 6, it errored out every time. It's not a huge big deal for us, as we fax so seldom. I just reconnected it directly to the line, and that seemed to be OK. Still, would have been nice to have it on the system for fax detection purposes. I'm not sure if it's an Emetrotel thing or if it's our provider ... who knows. :/

Thanks for the help!