Private Integrated Services Network (PISN);Specification, functional models and information flows;Advice of Charge (AoC) supplementary services [ISO/IEC 15049 (1997), modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021

Private Integrated Services Network (PISN);Specification, functional model and information flows;Advice of charge supplementary services [ISO/IEC 15049 (1997) modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021

Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Message Waiting Indication (MWI) supplementary service [ISO/IEC 15506 (1997), modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021

Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Message waiting indication supplementary service [ISO/IEC 15506 (2003), modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021

Private Integrated Services Network (PISN);Specification, functional models and information flows;Call interception Additional Network Feature (ANF) [ISO/IEC 15053 (1997), modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021

Private Integrated Services Network (PISN);Specification, functional models and information flows;Call interception Additional Network Feature (ANF) [ISO/IEC 15053 (2003), modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021

Private Integrated Services Network (PISN);Specification, functional models and information flows;Recall supplementary service [ISO/IEC 15051 (1997), modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021

Private Integrated Services Network (PISN);Specification, functional models and information flows;Recall supplementary service [ISO/IEC 15051 (2003), modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021

Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Recall supplementary service [ISO/IEC 15052 (1997), modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021

Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Recall supplementary service [ISO/IEC 15052 (2003), modified] (Endorsed by Asociación Espanola de Normalización in October of 2021.)

Die Norm herausgegeben am 1.10.2021