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@laf0rge@chaos.social
2024-03-04 20:13:15

yesterday and today marks the first time we've transmitted Telefax G4 over our OCTOI #retronetworking community ISDN-over-IP network using an actual historical G4 capable fax machine (Canon FAX-L260i) - the machine itself can print D- and B-channel protocol traces!

scanned print-out of a fax machine containing a B-channel protocol trace (X.75, T.70 and T.62) of the last transmitted G4 fax
@laf0rge@chaos.social
2024-02-13 10:53:41

I just received an invoice from ITU
(International Telecommunications Union). Their letterhead states a TELETEX number (in 2024!). I love it. #retronetworking - now I seriously wonder how I might be able to get connected to a public network that can reach it.

Letterhead of ITU invoice containing not just telephone, but also Telex, Telefax and TELETEX number