ETSI EN 301921-V1.1.1

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

STANDARD published on 6.1.2004

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The information about the standard:

Designation standards: ETSI EN 301921-V1.1.1
Publication date standards: 6.1.2004
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: European technical standard
Category: Technical standards ETSI