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    ETSI EN 301 258Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Recall supplementary service [ISO/IEC 15052 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 301 257Private Integrated Services Network (PISN); Specification, functional models and information flows; Recall supplementary service [ISO/IEC 15051 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 301 256Private Integrated Services Network (PISN); Specification, functional models and information flows; Call interception Additional Network Feature (ANF) [ISO/IEC 15053 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 301 265Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call interception Additional Network Feature (ANF) [ISO/IEC 15054 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 300 364Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Do not disturb and do not disturb override supplementary services [ISO/IEC 14844 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 301 264Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Advice of charge supplementary services [ISO/IEC 15050 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 301 255Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Message waiting indication supplementary service [ISO/IEC 15506 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 300 362Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call offer supplementary service [ISO/IEC 14843 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 300 426Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call intrusion supplementary service [ISO/IEC 14846 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 301 820Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Common information Additional Network Feature (ANF) [ISO/IEC 15772 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 301 810Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Private User Mobility (PUM); Call handling Additional Network Feature (ANF) [ISO/IEC 17878 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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    ETSI EN 301 656Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call priority interruption and call priority interruption protection supplementary services [ISO/IEC 15992 (2003), modified]standard by European Telecommunications Standards Institute, 01/01/2004

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