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Integrated Services Digital Network (ISDN); Definition and usage of cause and location in Digital Subscriber Signalling System No. one (DSS1) and Signalling System No.7 ISDN User Part (ISUP) [ITU-T Recommendation Q.850 (1993), modified]
STANDARD published on 16.1.1996
Designation standards: ETSI ETS 300485-ed.1
Publication date standards: 16.1.1996
SKU: NS-312901
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: European technical standard
Category: Technical standards ETSI
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