Norm
[AKTUELL]
ETS 300260
ETS 300260
Private Integrated Services Digital Network (PISN) - Specification, functional models and information flows - Call transfer supplementary service (ISO/IEC 13865:1995, modified)
Titel (englisch)
Private Integrated Services Digital Network (PISN) - Specification, functional models and information flows - Call transfer supplementary service (ISO/IEC 13865:1995, modified)