Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Generic functional protocol for the support of supplementary services [ISO/IEC 11582 (1995), modified]
STANDARD published on 15.11.1995
Designation standards: ETSI ETS 300239-ed.2
Publication date standards: 15.11.1995
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: European technical standard
Category: Technical standards ETSI