I have vonage phone. I want to purchase a fax machine. What type fax will work over the internet?

Any fax machine will do. The way a fax machine works is basically the same way your phone works, it dials a number using tones, then when connected (somebody answers) it starts communicating ("talking") to the fax machine on the other end by sending a series of tones, these tones tell the other fax machine "hey hows it going, I have to give you something, ready? okay start writing."
The only thing you may need to be concerned about is if you have the right connection to send faxes, some ip phones will "back-feed" the other phone outlets in the house and therefore when sending a fax it'll need to be hooked up directly to the modem to send and your other phones will be disabled while doing that, others will merely be an "access" point where all the phone-lines run through it and then you'd just need to plug in the fax and away you go.
Check with Vonage to see if you need to do anything "special" to the modem to allow data transfer from a fax to go through, usually you don't.

Is there anyplace I can send a fax for free over the internet? Is there anyplace I can send a fax for free over the internet?

A google search brought up the following
EFax.
I have used efax and it is pretty good. You get a month for free
There is also extreme fax http://www.ExtremeFax.com

Is it possible to fax something over the internet ? Without paying of course :] .?

Yes.

If you and the person you are sending and receiving the Fax with both have accounts with InPhonex (free to open accounts and place IP-IP calls between customers).

You both must have an ATA that uses G.711u/a codec.

For more info on InPhonex and other services, visit my web site: CQ VoIP Call (or find link in my profile).

I have a problem, i need to send fax's so do i need to buy a fax machine or can i use my pc, ifso how do i do it thanx

Use EFAX bro, its a new way of faxing using internet, as long as you on broadband, wired or wireless, ur fine to fax from anywhere and to recieve from anywhere, no hardware needed

I need to send a fax using my internet connection and it has to be free of charge. thanks

50 pages FREE!
http://home.efax.com/s/r/uk_search?VID= ... =BAC-int16

POP and SMTP addresses for input to faxing over the internet.?

I noticed an option in Winfax for sending faxes over the internet, yet yahoo.com makes it so difficult to find the mail settings that I don't even use Outlook!

Yahoo has paid, trained TECHS who can help you with your question or problem. Make certain to go into much detail so they understand what information you need. (Simply copy and paste the question you've asked here into the form and add more details if necessary.)

Here's a link to a Yahoo! Mail Errors and Problems Reporting Form:
http://help.yahoo.com/l/us/yahoo/mail/y ... +help+form

Here's a link to a Yahoo E-Mail Help Request Form:
http://help.yahoo.com/l/us/yahoo/mail/y ... +help+form

Use this form to report incidents of abuse or harassment.http://help.yahoo.com/l/us/yahoo/mail/y ... index.html

If I buy a regular all-in-one printer and hook it up via usb to my computer, can I then fax via the internet? I do not have a phone line that works anymore, as I use voip.
Also could I received faxes? and if so how would I figure out the number, or would I have to ask comcast for a second # ?

Thanks

1) No
2) Maybe
3) Home Number or 2nd number either/or

Faxing over VoIP is sometimes a problem due to "lossy" codecs. Analog (old phone line) is still best for faxing

You can read more about it here.

http://hylafax.sourceforge.net/docs/fax-over-voip.pdf