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RetroNetCall

retronetcall

Full playlist: Video / Audio
Datex-L: The German CSPDN (Circuit Switched Public Data Network)
52 min

Datex-L: The German CSPDN (Circuit Switched Public Data Network)

E1: The analog side (part 1)
67 min

E1: The analog side (part 1)

Introduction to the X.21 interface
49 min

Introduction to the X.21 interface

ISDN B-Channel protocols (X.75, V.120, V.110, T.70, ...)
64 min

ISDN B-Channel protocols (X.75, V.120, V.110, T.70, ...)

OCTOI project status update (Nov 2022)
53 min

OCTOI project status update (Nov 2022)

Teletext: A digital medium transcending a factor of 10⁶ in technical progress
47 min

Teletext: A digital medium transcending a factor of 10⁶ in technical progress

Teletex: The brief abandoned step between Telex and Telefax
48 min

Teletex: The brief abandoned step between Telex and Telefax