We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Universal Personal Telecommunication (UPT); The service concept; Part 9: Service requirements on numbering, addressing and identification
STANDARD published on 30.12.1992
Designation standards: ETSI ETR 055-9-ed.1
Publication date standards: 30.12.1992
SKU: NS-311578
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2025-07-04 (Number of items: 2 207 347)
© Copyright 2025 NORMSERVIS s.r.o.