Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Advice of charge supplementary services ISO/IEC 15049:1997
Publication date:
May 15, 1997
General information
90.60Close of reviewSep 3, 2023
ISO/IEC
ISO/IEC JTC 1/SC 6
Telecommunications and information exchange between systems