SSH ETS 300 122-1:1992

Integrated Services Digital Network (ISDN); Generic keypad protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification

Publication date: Jun 18, 2024

General information

Current stage: 60.60 Effective date: Jun 18, 2024

Originator: DPS

Owner: DPS/KT 10

Type: European Norm

ICS: 33.080

Languages: English

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Status: Published

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This first part of ETS 300 122 specifies the keypad protocol of the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators for the application to a range of supplementary services at the T reference point, or coincident S and T reference point (as defined in CCITT Recommendation I.411 [1]), by means of the Digital Subscriber Signalling System No. one (DSS1).

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PUBLISHED
SSH ETS 300 122-1:1992
60.60 Standard published
Jun 18, 2024

SSH ETS 300 122-1:1992

Integrated Services Digital Network (ISDN); Generic keypad protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification

General information

Buying

Scope

Life cycle

NOW

Related project

Adopted from ETS 300 122-1:1992 ed.1