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Hello, It's
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Hi all We have
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Vonage Based on my limited use of my fax machine it seemed to work better using normal resolution

Based on my limited use of my fax machine it seemed to work better using normal resolution but not sure about the baud rate and ECM. My son has one similiar to mine but has yet to get his working so we can exchange faxes. Mine is a Canon MP780 AIO. The only faxing I have done is with businesses that don't have anything sofisticated in the way of fax machines that can generate color documents, so mine is a bit too techy. Perhaps I just need to throttle it down and not worry about special features. Just guessing here. Faxing is going the way of the dodo bird, or so it seems, but there are those rare times when the other end insists on paper. Perhaps there are businesses that use it regularly still, but for me personally I almost never use it. But when I need it, I need it :!: LOL

I've been doing some homework here and think I may have answered my own question, but I still don't understand all I know about Voip. You guys on the inside with Vonage can correct me if I'm wrong or verify my theories here.

If I go to to check my bandwidth with their meter I see only spasdic results from my FIOS service. I guess that explains why I can get a yellow dot where the jitter number is even though I have tons of speed and QOS scores of 98%. My Kbps can go from a couple hundred all the way to infinity over a matter of a second. It's all over the place and I have to put the blame for that at Verizon's door. My fiber link has no repeaters, I don't share any splitters with the guy down the block, and my fiber goes straight to the Central office as a single straight shot. It's after that when I get out onto the 'net that I have trouble and we're talking at three in the morning, so maybe Verizon has its own bottlenecks, or who knows what?

It's frustrating, all this technology jazz. Mostly I can make lovely-sounding calls anywhere in the world. Faxing is perhaps another matter. Well except for one call to New Dehli when I talked to Vonage C/S that is. :eyepopping: LOL The gal did something when I told her that the connection was breaking up though, and maybe it was in her headset or something. Anyway she fixed it, so it may not have had anything having to do with my connection.

I noticed when I go to that site I mentioned above about the different codecs they use for Voip. And here I come to the crux of the matter and how I don't understand all the background stuff about Voip. They have a chart there explaining all the different codecs in use. OK, I can figure out that Vonage uses G.711 for its fax line and can choose from bit rates of 48, 56, and 64 Kbps. And I understand that one can select from the various bit rates with an attribute on Vonage's end. I learned this dealing with the folks who provide my Brand X Line 3. (Vonage supplies Lines 1 and 2.) Anyway, they (Brand X) were using the G.729 codec for my voice line but the tech said he could change it to G.711 and bump it up to 64Kbps with an attribute if I wanted, and I said fine, I had plenty of speed (15/15 megs).

Ok, now here's the problem. The highest bit rate is 64Kbps and I am using 9600 baud, supposedly. Now I know that baud is a fraction of bps, and I guess it is a variable relationship depending on what is being sent at any given moment in time, kinda sorta. So I guess the Voip providers say to throttle your fax down to 9600 (or lower mind you!) to accommodate the highest bit rate possible with this codec. And still guessing now, that when you go into your Vonage account and adjust your (voice) call quality slider you are not adjusting your router's QOS for your Vonage device, but rather switching codecs from G.729 to G.711 - prolly the low 48 number. And maybe if I ever get some savvy person at tech support I will ask him or her which of the three bit rates for G.711 that I am currently using and bump it up to the max if it's a lower number.

I'm happy to attach my speed results and will do so now. It seems that the speed test here at the forum is assuming the use of a G.729 codec, since it never gives me an MOS higher than 4.1, but if I go to they tell me I have an MOS of 4.4 (to Boston from Dallas area actually 4.42 and to Sydney actually 4.36). But then too, it (forum test) only senses 1/2 to 2/3 of my true speed as well. (And writes underneath the side bar too. LOL)

Download speed 9938 Kbps (socket test)
Upload speed 7289 Kbps (socket test)
Quality of service 97 %
Maximum pause 28 ms
Round trip time 51 ms
Upstream jitter 2.1 ms
Upstream packet loss 0 %
Upstream packet order 100 %
Upstream discards 0 %
Downstream jitter 8.4 ms (always yellow dot here)
Downstream packet loss 0 %
Downstream packet order 100 %
Downstream discards 0 %

I should add here that my ISP has an optimizer utility at their website which I use, but one of their techs put me wise to a site where I can tweak the system even finer:

You click on the .exe file to the left of the sample dialog box and it gives you your settings and then you can hit the link at the top and see their recommendations. Use care here. It said I should have a MaxMTU of 1500, but I found I got losses if I went over 1492. Still, it recommended I set my TCP Receive Window to 1045440 where Verizon had it set at only 292200, so that may be the reason why I get no losses in the test and get good results. Well, except for jitter, but I don't think I can help that, can I?

Here's what those speeds should read:

Read The Full Thread:

Faxing with Vonage and HP OfficeJet 6310

I've read many complaints/challenges with faxing and vonage. I tried both setting
Did you disable ECM? See
Disabling ECM or error correction mode is a good start. You may need to call vonage
I surely have enough bandwidth for a fax, 25MB down and 8MB up, I have a crazy fast
I turned off ECM and still no luck, I cannot even get the two fax machines to "connect"
Well if you tried all of that and you are still having problems, maybe its not Vonage
Yep, calling fax with phone works fine, fax machine worked before vonage. Only
I dont need your whole setup, but which Vonage adapter do you have?
post your ping stats. Click on start button go run. In the box type cmd. Click
I am curious as to why you think disabling ECM is good start. I also see some posts

Arthur_lw posted "Based on my limited use of my fax machine it seemed to work better using normal resolution" on 02/22/2008

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†AK and HI residents pay $29.95 shipping. ††Limited time offer. Valid for residents of the United States (&DC), 18 years or older, who open new accounts. Offer good while supplies last and only on new account activations. One kit per account/household. Offer cannot be combined with any other discounts, promotions or plans and is not applicable to past purchases. Good while supplies last. Allow up to 2 weeks for shipping. Other restrictions may apply.

1Unlimited calling and other services for all residential plans are based on normal residential, personal, non-commercial use. A combination of factors is used to determine abnormal use, including but not limited to: the number of unique numbers called, calls forwarded, minutes used and other factors. Subject to our Reasonable Use Policy and Terms of Service.

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HIGH SPEED INTERNET REQUIRED. †VALID FOR NEW LINES ONLY. RATES EXCLUDE INTERNET SERVICE, SURCHARGES, FEES AND TAXES. DEVICE MAY BE REFURBISHED. If you subscribe to plans with monthly minutes allotments, all call minutes placed from both from your home and registered ExtensionsTM phones will count toward your monthly minutes allotment. ExtensionsTM calls made from mobiles use airtime and may incur surcharges, depending on your mobile plan. Alarms, TTY and other systems may not be compatible. Vonage 911 service operates differently than traditional 911. See for details.

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