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Access and Terminals (AT); Harmonized basic attachment requirements for Terminals for connection to analogue interfaces of the Telephone Networks; Update of the technical contents of TBR 021, EN 301 437, TBR 015, TBR 017; Part 3: Basic Interworking with the Public Telephone Networks
STANDARD published on 27.1.2006
Designation standards: ETSI ES 203021-3-V2.1.2
Publication date standards: 27.1.2006
SKU: NS-311356
The number of pages: 50
Approximate weight : 150 g (0.33 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2025-07-27 (Number of items: 2 209 911)
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