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Private Integrated Services Network (PISN); Specification, functional model and information flows; Advice of charge supplementary services [ISO/IEC 15049 (1997) modified]
STANDARD published on 16.6.2003
Designation standards: ETSI EN 301254-V1.2.1
Publication date standards: 16.6.2003
SKU: NS-309873
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: European technical standard
Category: Technical standards ETSI
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