Although the term "red phone" was in popular use, the link is actually not a phone line but a teletypewriter connection.
What does TT stand for?
TT stands for Teletypewriter
This definition appears frequently
See other definitions of TT
We have 81 other meanings of TT in our Acronym Attic
- Technology Transfer
- Technology Transition
- Teen Titans (cartoon)
- Telegraphic Transfer
- Telegraphic Transfer (funds)
- Telephone Technician
- Telephone Terminal
Samples in periodicals archive:
Designed to be used for for face-to-face, teletypewriter (TTY), and Short Message Service (SMS) cellular telephone texting communications, DBC is made up of two separate components that communicate wirelessly with each other using Bluetooth (an open wireless protocol for exchanging data over short distances from fixed and mobile devices).
To report a dangerous product or product-related injury, and for information on CPSC's fax-on-demand service, call their hotline at (800) 638-2772 or CPSC's teletypewriter at (800) 638-8270.
New System Six Times Faster Operating six times faster than the previous system, the new teleprinters communicate at a rate of 30 characters per second or 300 baud in comparison to teletypewriter speeds of five characters per second or 50 baud.
4251 imposes a 3% Federal excise tax on amounts paid for communications services, which, for these purposes, is defined as (1) local telephone service, (2) toll telephone ser vice and (3) teletypewriter exchange service.