INTEGRATED SERVICES DIGITAL NETWORK (ISDN). DIENSTMERKMAL DREIERVERBINDUNG-D-KANAL PROTOKOLL (DSS1). TEIL 1: PROTOKOLL SPEZIFIKATION
Englischer Titel
Integrated Services Digital Network (ISDN). Three-party (3PTY) supplementary service. Digital subscriber signalling system no one (DSS1) protocol. Part 1: protocol specification