SIS SS-ETS 300 102-1-1991
Integrated Services Digital Network (ISDN) — User-network interface layer 3 — Specrfica- tions for basic call control
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SIS SS-ETS 300 102-1-1991
Standard No.
SIS SS-ETS 300 102-1-1991
Release Date
1991
Published By
SE-SIS
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