DIN EN 300008-1:2004-07
Действует
Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Message Transfer Part (MTP) to support international interconnection - Part 1: Protocol specification [ITU-T Recommendations Q.701, Q.702, Q.703, Q.704, Q.705, Q.706, Q.707 and Q.708 modified] (Endorsement of the English version EN 300008-1 V1.3.2 (2003-06) as German standard)
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