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Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Circuit-mode basic services [ISO/IEC 11572 (1994) modified]
STANDARD published on 15.11.1995
Designation standards: ETSI ETS 300172-ed.3
Publication date standards: 15.11.1995
SKU: NS-312247
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: European technical standard
Category: Technical standards ETSI
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