NF EN 300286-1

Integrated Services Digital Network (ISDN). User-to-User Signalling (UUS) supplementary service. Digital Subscriber Signalling System number one (DSS1) protocol. Part 1 : protocol specification.

Le présent document définit l'étape 3 du complément de service Signalisation d'usager à usager (UUS) pour le réseau numérique à intégration de services, fourni par les opérateurs publics européens de télécommunications au point de référence T ou au point de référence S et T coïncidents au moyen du protocole du système n° 1 de signalisation d'abonné numérique. L'étape 3 identifie les procédures du protocole et les fonctions de commutation nécessaires pour assurer un service de télécommunication. Le complément de service UUS permet à un usager d'envoyer ou de recevoir une quantité limitée d'informations vers ou en provenance d'un autre usager sur le canal de signalisation, en relation avec une communication avec l'autre usager.

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