Integrated Services Digital Network (ISDN). Signalling System n o 7 ISDN User Part (ISUP) version 2 for the international interface . Part 16: Call Hold (HOLD) supplementary service
German title
ISDN. CCITT-ZEICHENGABESYSTEM NUMMER 7. ISDN-NUTZERTEIL (ISUP) VERSION 2 FUER DIE INTERNATIONALE SCHNITTSTELLE. TEIL 16: DIENSTMERKMAL "HALTEN"
Publication date
1997-07-01
Original language
French
Pages
7
Publication date
1997-07-01
Original language
French
Pages
7
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