ISO/IEC 13874:1995 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Path replacement additional network fe
2003ISO/IEC 13874:2003 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Path replacement additional network feature
1999ISO/IEC 13874:1999 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Path replacement additional network fe
1996ISO/IEC 13874:1995/Cor 1:1996 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Path replacement additional network feature — Technical Corrigendum 1
1995ISO/IEC 13874:1995 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Path replacement additional network fe