T.38 if your provider supports it Try https://github.com/hehol/t38modem
On Wed, May 30, 2018 at 3:15 PM John R. Levine <jo...@iecc.com> wrote: > Can anyone recommend software that sends faxes over SIP? I have plenty of > inbound fax to email services, but now and then I need to send a reply and > it looks tacky to use one of the free web ones that put an ad on it. > > I know that if I wanted to pay $15/mo there are lots of lovely services > but we're taking about one fax a month, maybe, here. > > Ideally it'd take a postscript or PDF or Word document and a phone number > and fax it to that number. I have Ubuntu, FreeBSD, and MacOS boxes. Any > suggestions? > > Regards, > John Levine, jo...@iecc.com, Primary Perpetrator of "The Internet for > Dummies", > Please consider the environment before reading this e-mail. https://jl.ly > -- - Andrew "lathama" Latham -