SS-ETS-300356-14 | Integrated Services Digital Network (ISDN) - CCITT Signalling System No.7 - ISDN User Part (ISUP) version 2 for the international interface- Part 14:Explicit Call Transfer (ECT) supplementary service | Document Center, Inc.

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Integrated Services Digital Network (ISDN) - CCITT Signalling System No.7 - ISDN User Part (ISUP) version 2 for the international interface- Part 14:Explicit Call Transfer (ECT) supplementary service

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EDITION 1 - ENGLISH LANGUAGE EDITION - June 30, 1995