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  4. Standard "STN EN 301921-V1.1.1"
Standard STN EN 301921-V1.1.1 1.7.2004 preview

STN EN 301921-V1.1.1 (871921)

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Simple dialog supplementary service [ISO/IEC 21408 (2003), modified]



STANDARD published on 1.7.2004


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The information about the standard:

Designation standards: STN EN 301921-V1.1.1
Classification mark: 871921
Catalog number: 95778
Publication date standards: 1.7.2004
SKU: NS-520892
The number of pages: 35
Approximate weight : 105 g (0.23 lbs)
Country: Slovak technical standard
Category: Technical standards STN

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The category - similar standards:

Telephone networksTelecommunication services. Applications

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Latest update: 2025-05-21 (Number of items: 2 201 746)
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