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Universal Personal Telecommunication (UPT); The service concept; Part 9: Service requirements on UPT numbering, addressing and identification
STANDARD published on 15.4.1995
Designation standards: ETSI ETR 055-9-ed.2
Publication date standards: 15.4.1995
SKU: NS-311579
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2026-01-11 (Number of items: 2 254 176)
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