First off, there's a very good definition of the service at:

"https://www.pcmag.com/encyclopedia_term/0,2542,t=TDDTTY&i=52627,00.asp"

Basically, it's a Single Line (basic T&R Service) with a rather low speed modem or Teletype device connected to it.

I would doubt that VOIP would support this type of connection considering I have had problems with modem connections over VOIP.


RULE NUMBER 2, "THINKIN' WON'T GET IT, YOU GOTTA KNOW!" RULE NUMBER 3, if you need TIER-3 SUPPORT on a LEGEND or MAGIX, go to http://home.comcast.net/~merlinman -