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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 (1998), modified]
STANDARD published on 1.11.2000
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Designation standards: STN EN 300485-V1.2.3
Classification mark: 870485
Catalog number: 16618
Publication date standards: 1.11.2000
SKU: NS-519541
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Slovak technical standard
Category: Technical standards STN
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