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RetroNetCall

Full playlist: Video / Audio
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, ...)

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

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

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

OCTOI project status update (Nov 2022)
53 min

OCTOI project status update (Nov 2022)

Introduction to the X.21 interface
49 min

Introduction to the X.21 interface

E1: The analog side (part 1)
67 min

E1: The analog side (part 1)

Nokia TCSM2, a bank of TRAUs with E1 interfaces: Part 1, initial examination of the hardware
72 min

Nokia TCSM2, a bank of TRAUs with E1 interfaces: Part 1, initial examination of the…

Group 4 Facsimile Service (Fax G4)
59 min

Group 4 Facsimile Service (Fax G4)

A tour of DIVF, our OCTOI central office using yate, dahdi-trunkdev and more
71 min

A tour of DIVF, our OCTOI central office using yate, dahdi-trunkdev and more

Nokia TCSM2, a bank of TRAUs with E1 interfaces: Part 2, the working state
63 min

Nokia TCSM2, a bank of TRAUs with E1 interfaces: Part 2, the working state

Classic PCM30 with channel-associated signaling
47 min

Classic PCM30 with channel-associated signaling