SSH ETS 300 657:1997 ed.1

Broadband Integrated Services Digital Network (B-ISDN); Signalling System No.7; B-ISDN User Part (B-ISUP) Capability Set 1 (CS1); Supplementary services [ITU-T Recommendation Q.2730 (1995), modified]

Publication date: Sep 9, 2026

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Current stage: 60.60 Effective date: Sep 9, 2026

Originator: DPS

Owner: DPS/KT 10

Type: European Norm

ICS: 33.020

Languages: English

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Status: Published

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This European Telecommunication Standard (ETS) specifies procedures to support supplementary services for Broadband Integrated Services Digital Network (B-ISDN) Capability Set 1 (CS1) applications defined for the pan-European B-ISDN as provided by the European public telecommunications operators by means of the Signalling System No.7 protocol for the B-ISDN User Part (B-ISUP).

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SSH ETS 300 657:1997 ed.1
60.60 Standard published
Sep 9, 2026

SSH ETS 300 657:1997 ed.1

Broadband Integrated Services Digital Network (B-ISDN); Signalling System No.7; B-ISDN User Part (B-ISUP) Capability Set 1 (CS1); Supplementary services [ITU-T Recommendation Q.2730 (1995), modified]

General information

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Scope

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NOW

Related project

Adopted from ETS 300 657: May 1997