ETSI EN 300 403-1

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ETSI EN 300 403-1 English PDF Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control; Part 1: Protocol specification [ITU-T Recommendation Q.931 (1993), modified]

standard published 11/01/1999 by European Telecommunications Standards Institute

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To update the Date/Time information element according to contribution TD 207 and the BC, LLC with new codepoints. Supporting ETSI Member Organisations; VIAG Interkom, Swisscom, KPN, Telenor.