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Intelligent Network (IN); Intelligent networks framework
STANDARD published on 10.6.1991
Designation standards: ETSI ETR 023-ed.1
Publication date standards: 10.6.1991
SKU: NS-311530
The number of pages: 137
Approximate weight : 442 g (0.97 lbs)
Country: European technical standard
Category: Technical standards ETSI
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