Private Telecommunication Network (PTN); Inter-exchange signalling protocol; Do not disturb and do not disturb override supplementary services

Standard published on 15.11.1994

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Do not disturb and do not disturb override supplementary services [ISO/IEC 14844 (1996), modified]

Standard published on 26.3.1999

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Do not disturb and do not disturb override supplementary services [ISO/IEC 14844 (2003), modified]

Standard published on 5.1.2004

Private Telecommunication Network (PTN); Specification, functional models and information flows; Call completion supplementary services

Standard published on 25.7.1994

Private Integrated Services Network (PISN); Specification, functional models and information flows; Call completion supplementary services

Standard published on 30.5.1996

Private Integrated Services Network (PISN); Specification, functional model and information flows; Call completion supplementary services [ISO/IEC 13866 (1995) modified]

Standard published on 16.6.2003

Private Telecommunication Network (PTN); Inter-exchange signalling protocol ; Call completion supplementary services

Standard published on 25.7.1994

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call completion supplementary services [ISO/IEC 13870 (1995) modified]

Standard published on 15.11.1995

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call completion supplementary services [ISO/IEC 13870 (2003), modified]

Standard published on 5.1.2004

Integrated Services Digital Network (ISDN); Explicit Call Transfer (ECT) supplementary service; Service description

Standard published on 6.3.1995