Dear customers,

Due to the public holiday on May 14, 2026, and the following bridge day, we are currently not available in person.

Registrations and manually processed orders cannot be handled during this period. However, our webshop remains available for orders and downloads at any time.

From Monday onward, we will be happy to assist you again as usual.

You can also find many helpful answers and resources in our FAQ section at any time.

Your DIN Media GmbH

Standard [CURRENT] Article is not orderable

ETS 300120:1992-11

Integrated Services Digital Network (ISDN); service requirements for telefax group 4

German title
Diensteintegrierendes digitales Fernmeldenetz (ISDN); Dienstanforderungen für Fernkopierer Gruppe 4
Publication date
1992-11
Original language
English
Pages
18
Publication date
1992-11
Original language
English
Pages
18
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