Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Message Waiting Indication (MWI) supplementary service [ISO/IEC 15506 (1997), modified]

Standard published on 30.10.1998

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Message waiting indication supplementary service [ISO/IEC 15506 (2003), modified]

Standard published on 6.1.2004

Private Integrated Services Network (PISN); Specification, functional models and information flows; Call interception Additional Network Feature (ANF) [ISO/IEC 15053 (1997), modified]

Standard published on 30.10.1998

Private Integrated Services Network (PISN); Specification, functional models and information flows; Call interception Additional Network Feature (ANF) [ISO/IEC 15053 (2003), modified]

Standard published on 6.1.2004

Private Integrated Services Network (PISN); Specification, functional models and information flows; Recall supplementary service [ISO/IEC 15051 (1997), modified]

Standard published on 30.10.1998

Private Integrated Services Network (PISN); Specification, functional models and information flows; Recall supplementary service [ISO/IEC 15051 (2003), modified]

Standard published on 6.1.2004

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Recall supplementary service [ISO/IEC 15052 (1997), modified]

Standard published on 30.10.1998

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Recall supplementary service [ISO/IEC 15052 (2003), modified]

Standard published on 6.1.2004

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Private Integrated Network eXchange (PINX) clock synchronization [ISO/IEC 15507 (1997), modified]

Standard published on 30.10.1998

Private Integrated Services Network (PISN); Specification, functional models and information flows; Message Waiting Indication (MWI) supplementary service [ISO/IEC 15505 (1997), modified]

Standard published on 30.10.1998