xmd
join:2009-06-25
Carlsbad, CA |
xmd
Member
2017-Feb-6 9:23 pm
[General] VOIP and slow outbound faxI am switching from POTS (ATT) to VOIP (voip.ms) and had read conflicting things about faxing.
I send about one fax a month or less. I never receive them.
I have an Epson Workforce 3640, if that matters.
Will I be able to do this from the Epson? From what I've read, if you set the fax machine to the slowest possible settings, you can still sometimes send or faxes on VOIP. Is this true? |
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thUzu7AkU
Premium Member
join:2014-05-05
Beverly Hills, CA |
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to xmd
Which ATA will you be using for your VoIP service?
-----
I recently upgraded to the Obi 200 which has T38 support.
Outbound faxes work well, even better than on my previous Obi 100.
Also, I agree with the link that whodunits posted, but I would not disable ECM (error correction mode). |
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MangoUse DMZ and you get a kick in the dick.
Premium Member
join:2008-12-25
www.toao.net |
Mango to xmd
Premium Member
2017-Feb-6 10:43 pm
to xmd
said by xmd:From what I've read, if you set the fax machine to the slowest possible settings, you can still sometimes send or faxes on VOIP. True, with an emphasis on 'sometimes'. Using a service provider like VoIP.ms for fax with an ATA is tricky. They don't support fax, so there's no T.38 (the fax relay standard), and we don't know if their (or more likely, their carrier's) jitter buffer is configured in such a way that is optimal for data. Additionally, they may change carriers or use different carriers in different geographic areas, so a fax that works today may not work tomorrow. You can certainly try it. If it works, go for it. Be sure to leave ECM enabled so that if your fax fails, your machine notifies you (so you can try again). It may be worth it to note that VoIP.ms has a supported fax service that is not susceptible to the problems I described above. However, you cannot connect an ATA to it - you have to upload a file. If that's ok, by all means do that instead. |
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thUzu7AkU
Premium Member
join:2014-05-05
Beverly Hills, CA |
to xmd
"The main advantage of ECM is that it guarantees error-free faxes. The principal disadvantage for ECM is that its persistent error correcting behavior can cause faxes to fail or take a long time to successfully deliver a fax when line quality is poor or conditions where there are lots of errors. If this problem is encountered, most fax devices can easily disable the ECM feature. Consequently, another disadvantage of ECM when in an IP environment is that it is less tolerant of packet loss than non-ECM calls." » www.cisco.com/c/en/us/su ··· ecm.html |
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said by thUzu7AkU:"The main advantage of ECM is that it guarantees error-free faxes. The principal disadvantage for ECM is that its persistent error correcting behavior can cause faxes to fail or take a long time to successfully deliver a fax when line quality is poor or conditions where there are lots of errors...." Exactly. If a fax fails, or is garbled or incomplete, I damn want to KNOW about that. I would rather have the fax fail, than have a false sense of security. If you are faxing a lunch order, it's fine to disable ECM. But for anything important, no. It's like an ICU nurse shutting off a cardiac alarm because the noise is too annoying. ----- This commentary discusses the value of ECM. Yes, it is one company's POV but still holds true I believe. » blog.t38fax.com/blog/ecm ··· e-secret |
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RonR
join:2003-10-10
Ash Flat, AR |
RonR to xmd
Member
2017-Feb-7 1:14 am
to xmd
said by xmd:From what I've read, if you set the fax machine to the slowest possible settings, you can still sometimes send or faxes on VOIP. Is this true? As I don't possess a fax machine, I can't speak to using one with an ATA, but I've been absolutely blown away with the quality and reliability of sending and receiving faxes over VoIP using HylaFAX on a Raspberry Pi. Transmission speeds are always at the highest supported rate (typically 14400) and failures have been virtually non-existent. In addition to exchanges of faxes with normal fax machines, I've done exhaustive testing by simultaneously sending and receiving faxes to myself using Google Voice for the outgoing leg and another Google Voice or Callcentric DID for the incoming leg. They always succeed and the quality is among the best I've ever seen. As always, YMMV. |
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 kevinds
Premium Member
join:2003-05-01
Calgary, AB |
to xmd
I couldn't get it to go reliability with voip.ms
I had a thread here in December? about doing this with my MFP..
If you want to pay for it $10/month t38fax.com worked very well.. I didn't want to spend that much on it.. I ended up using Avneo Direct so I could select which outbound carriers to use (supporting T38), on the down side, had to give my OBi202 a public IP.. Never got as far as trying port-forwarding. It was working so I left it alone at that point. |
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thUzu7AkU
Premium Member
join:2014-05-05
Beverly Hills, CA |
to xmd
Consider also scanning from your Epson, then forwarding scan via Faxage, FaxZero, PamFax, etc. FYI, you may be able to scan to cloud/e-mail directly from your Epson: » www.techsupportforum.com ··· t5515961 |
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to xmd
Do you really need to fax?
This is not a rhetorical question. |
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 mozerdLight Will Pierce The Darkness
MVM
join:2004-04-23
Nepean, ON
1 edit |
to xmd
said by xmd:Will I be able to do this from the Epson? From what I've read, if you set the fax machine to the slowest possible settings, you can still sometimes send or faxes on VOIP. Is this true? I have no issues using one of my voip.ms DIDs dedicated to faxing via voip.ms. I use toronto4 ...... most of my faxing -- sending and receiving is to real-estate brokers and the federal tax authorities. I use 14.4 Kbps and I also enable ECM plus G711A. most of my stuff is outbound, however there are times I get multiple streams comming inbound .... so far, over the past 2 years, no issues. The DID I have dedicated to faxing is not a special DID that voip.ms allocated to faxing ... its a normal DID and works great for me on my CANON MultiFunction device. |
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xmd
join:2009-06-25
Carlsbad, CA |
to fresnoBob
Very rarely, but there have been a few times (mostly dealing with mortgage or insurance/ medical stuff) where they request a fax. I've heard that some courts also do this. |
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MrkFrnt
join:2000-11-26
Winston Salem, NC |
to xmd
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1 edit |
to xmd
said by xmd:Very rarely, but there have been a few times (mostly dealing with mortgage or insurance/ medical stuff) where they request a fax. I've heard that some courts also do this. I would give them the same answer that I would give to someone who requested a telegram. The last time I sent a fax was 1997. Occasionally people request a fax but so far everyone has accepted email. |
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fparker
join:2008-04-28
Scarborough, ON |
Try practicing medicine or pharmacy in the province of Ontario (or probably anywhere in Canada) without using fax.... |
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said by fparker:Try practicing medicine or pharmacy in the province of Ontario (or probably anywhere in Canada) without using fax.... 1+ Or in the USA. |
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 ·US Internet
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Physicians and pharmacies, legal offices, court systems, mortgage and banking, many insurance carriers...
One of the reasons faxes are still around, is the definition of a fax (facsimile): An exact copy, especially of written material.
For legal terms, a scanned copy can be manipulated digitally (think of scanning a legal sized document and then dropping the size down to an 8.5x11, it alters the document), whereas with a fax, it is an actual copy of the document. Additionally, the report page documents the item being successfully sent. |
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MangoUse DMZ and you get a kick in the dick.
Premium Member
join:2008-12-25
www.toao.net |
Mango
Premium Member
2017-Feb-7 8:08 pm
I could digitally manipulate a fax in far less time than a high-resolution scanned document. |
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to xmd
Your printer has a scanner,scan your document then just email |
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MangoUse DMZ and you get a kick in the dick.
Premium Member
join:2008-12-25
www.toao.net |
Mango
Premium Member
2017-Feb-8 9:57 am
Good idea...until you have to deal with a large multinational company that in 2017 does not use email. |
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SmartRG SR505N
TP-Link TC-7650
(Software) pfSense
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to xmd
I use VoIP.ms for fax. I use the FaxPro module in FreePBX in passthrough mode (g.711) and so far my fax success rate it 100%.
I can send and receive multiple faxes simultaneously to the same DID, receive a copy to my email and a copy stored on the PBX.
Takes about 18 seconds per page and billing is broken down into 6 second increments. |
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to Mango
said by Mango:Good idea...until you have to deal with a large multinational company that in 2017 does not use email. Name, please?!  OE |
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"Some Companies Are Banning Email and Getting More Done" » hbr.org/2016/06/some-com ··· ore-done |
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·US Internet
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to Mango
said by Mango:I could digitally manipulate a fax in far less time than a high-resolution scanned document. As with anybody with more than 10 minutes experience with MSPaint. Trust me, I would much rather deal with scanned pdfs but I can't. I send about 15 a day |
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to xmd
Try using 9600 baud on your fax machine settings that will force the fax go through over voip/ATA. |
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xmd
join:2009-06-25
Carlsbad, CA |
xmd
Member
2017-Feb-17 3:08 pm
Followup: I installed an Obi200 ATA configured on Voip.ms and plugged my Epson Workforce 3640 into it. I then placed a fax call to HP's fax test number 1-888-hpfaxme (1-888-473-2963) and it went through, as did the return fax from them.
The epson was set to default settings (medium speed, 14000 bps, ECM ON) when I tested. |
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kevinds
Premium Member
join:2003-05-01
Calgary, AB |
kevinds
Premium Member
2017-Feb-17 3:36 pm
Be sure to test longer faxes  I was testing with 30 page faxes.. Can the Epson receive to PDF? |
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