ETS 300205:1994-12

Integrated Services Digital Network (ISDN) - Call Forwarding No Reply (CFNR) supplementary service - Functional capabilities and information flows

German title: Diensteintegrierendes Digitalnetz (ISDN) - Dienstmerkmal Rufweiterleitung Keine Antwort (CFNR) - Funktionelle Leistungsmerkmale und Informationsflüsse
Publication date: 1994-12
Original language: English
Pages: 68

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