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  4. Standard "ETSI EN 300356-20-V4.3.1"
Standard ETSI EN 300356-20-V4.3.1 18.7.2001 preview

ETSI EN 300356-20-V4.3.1

Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 20: Completion of Calls on No Reply (CCNR) supplementary service [ITU-T Recommendation Q.733, clause 5 (1999) modified]



STANDARD published on 18.7.2001


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25.10 USD

The information about the standard:

Designation standards: ETSI EN 300356-20-V4.3.1
Publication date standards: 18.7.2001
SKU: NS-308759
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: European technical standard
Category: Technical standards ETSI

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