TELECOM Digest OnLine - Sorted: Re: FAX vs VOIP

Re: FAX vs VOIP

Lisa Hancock (hancock4@bbs.cpcn.com)
4 Dec 2004 19:17:13 -0800

John McHarry <mcharryj@bellsouth.net> wrote

> I believe the issue with FAX over VOIP is that VOIP uses lossy
> compression that does not treat FAX modulation gently. This tends to
> be a problem over any compressed link.

For those who don't know, there are two types of data compression
techniques. One type preserves 100% of the original data; the other
"lossy" accepts some loss of accuracy for increased compression
efficiency. (Others can explain data compression better than I can.)

I still use dial-up for certain connections, and even if I had VOIP I
would still need to do so. I wonder if I even could.

While my arrangement is growing rare these days, using fax machines as
dial up is not. How do businesses that depend on VOIP use their fax
machines?

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