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Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 6: Connected Line Identification Restriction (COLR) supplementary service [ITU-T Recommendation Q.731, clause 6 (1993) modified]
STANDARD published on 18.7.2001
Designation standards: ETSI EN 300356-6-V4.1.2
Publication date standards: 18.7.2001
SKU: NS-308777
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: European technical standard
Category: Technical standards ETSI
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