Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Use of QSIG at the C reference point between a PINX and a Interconnecting Network
Edition 2001-12

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Inter-exchange signalling protocol; Do not disturb and do not disturb override supplementary services
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Inter-exchange signalling protocol; Call Priority Interruption and Call Priority Interruption Protection supplementary services
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Inter-exchange signalling protocol; Private User Mobility (PUM); Registration supplementary service
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Inter-exchange signalling protocol; Single Step Call Transfer Supplementary Service
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Inter-exchange signalling protocol; Private User Mobility (PUM); Call handling additional network features
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Inter-exchange signalling protocol; Wireless terminal location registration supplementary service and wireless terminal information exchange additional network feature
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Message centre monitoring and mailbox identification supplementary services
Edition 2004-05