Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call identification and call linkage Additional Network Feature (ANF) [ISO/IEC 21889 (2001), modified]
NORM herausgegeben am 6.1.2004
Designation standards: ETSI EN 301923-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: Technische Normen ETSI