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German Historical FTZ Standards for ISDN, SS7 and more

Added by laforge 8 months ago

A number of previously unavailable historical German national standards related to (mainly) ISDN have been uncovered and are now availale as PDFs from https://people.osmocom.org/laforge/ftz/ (and in more structured presentation with metadata at German_FTZ_ISDN_Specifications).

The standards include, among many others
  • 1TR6 - German National ISDN variant of the 1980ies, before Euro-ISDN was introduced in the 1990ies
  • 1TR7 - German National SS7 dialect
  • various physical layer specs for interfaces such as S2M, V2M, Uk0, Uk2, UG2 and more

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