ETS 300363:1994-11

Private Telecommunication Network (PTN) - Specification, functional model and information flows - Do not disturb and do not disturb override supplementary services

German title: Privates Fernmeldenetz (PTN) - Spezifikation, Funktionsmodell und Informationsflüsse - Zusatzdienste Anrufschutz und Durchbrechen des Anrufschutzes
Publication date: 1994-11
Original language: English
Pages: 86

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