NF ETS 300188-1

Integrated Services Digital Network (ISDN). Three-party (3PTY) supplementary service. Digital subscriber signalling system no one (DSS1) protocol. Part 1 : protocol specification.

Le présent document décrit le protocole de signalisation pour abonné numérique, pour l''utilisation du complément de service Appel à trois (3PTY), sur réseau numérique à intégration de services (RNIS).

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