NF EN 301260

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Message waiting indication supplementary service (V1.2.1)

Cette Norme européenne (série des Télécommunications) a été produite par l'ECMA au nom de ses membres et ceux de l'Institut Européen des Normes de Télécommunications (ETSI). Le présent document spécifie le service supplémentaire d'indication d'attente de message. Le présent document approuve la norme internationale ISO/IEC 15505.

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