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Standard [CURRENT]

OENORM EN 300369-1 V 1.2.4:1999-01-01

Integrated Services Digital Network (ISDN) - Explicit Call Transfer (ECT) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification

Publication date
1999-01-01
Original language
English
Pages
48

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Publication date
1999-01-01
Original language
English
Pages
48

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