DIN ETS 300140:1992-12
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DIN ETS 300140:1992-12

Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; functional capabilities and information flows; english version ETS 300140:1992

Summary

ISDN; Dienstmerkmal Halten; Funktionelle Fähigkeiten und Informationsflüsse; Englische Fassung ETS 300140:1992

Technical characteristics

Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 12/01/1992
Page Count 30
EAN ---
ISBN ---
Weight (in grams) ---
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