ETSI EN 300 356-2

ETSI EN 300 356-2
ETSI EN 300 356-2 English PDF Final draft Version 4.2.1Integrated Services Digital Network (ISDN); Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 2: ISDN supplementary service [ITU-T Recommendation Q.730 (1999) modified]

standard published 03/01/2002 by European Telecommunications Standards Institute

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To align with the ITU version which has been amended with a change on sub paragraph numbers.

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