Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Single step call transfer supplementary service [ISO/IEC 19460 (2003), modified]
NORMA vydána dne 6.1.2004
Designation standards: ETSI EN 301919-V1.1.1
Publication date standards: 6.1.2004
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI