Bildschirmtext

Bildschirmtext was an early German online service. Technology wise it comes from the Teletex group of standards.

Control Codes

There is a good introduction into the control codes here.

https://github.com/bildschirmtext/bildschirmtext/blob/master/doc/CEPT-Codes%20f%C3%BCr%20BTX.md

Software

A software decoder can be found here: https://github.com/bildschirmtext/btx_decoder

The software on the central station is here: https://github.com/bildschirmtext/btx_decoder

The software modem for Asterisk is here: https://github.com/Casandro/btx_modem

Sources for the Videos in this talk

Bildschirmtext Werbung 1987

heute Journal

Xaver und sein außerirdischer Freund

Lihmal in "Feel the Motion"