Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call offer supplementary service; Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification
NORMA vydána dne 21.1.2002
Designation standards: ETSI EN 301491-2-V1.2.1
Publication date standards: 21.1.2002
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI