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ETSI - Evropský úřad pro normalizaci v telekomunikacích (ETSI) vytváří globálně použitelné normy pro informační a komunikační technologie (ICT) včetně pevných, mobilních, rádiových, konvergovaných, vysílacích a internetových technologií.
Universal Personal Telecommunication (UPT); UPT phase 2; Requirements on information flows and protocols for UPT phase 2
Norma vydána dne 15.10.1998
Vybrané provedení:Intelligent Network (IN); Number Portability Task Force (NPTF); IN and Intelligence Support for Service Provider Number Portability
Norma vydána dne 9.2.1999
Vybrané provedení:Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 1: Introduction to objective comparison measurement methods for one-way speech quality across networks
Norma vydána dne 9.4.1999
Vybrané provedení:Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 1: Introduction to objective comparison measurement methods for one-way speech quality across networks
Norma vydána dne 17.12.2002
Vybrané provedení:Speech and multimedia Transmission Quality (STQ); Specification and measurement of speech transmission quality; Part 1: Introduction to objective comparison measurement methods for one-way speech quality across networks
Norma vydána dne 23.10.2009
Vybrané provedení:Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality including terminals
Norma vydána dne 2.4.2004
Vybrané provedení:Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality including terminals
Norma vydána dne 2.3.2005
Vybrané provedení:Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality including terminals
Norma vydána dne 16.11.2005
Vybrané provedení:Speech and multimediaTransmission Quality (STQ); Specification and measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality including terminals
Norma vydána dne 3.12.2009
Vybrané provedení:Speech Processing, Transmission and Quality Aspects (STQ); Specification and measurement of speech transmission quality; Part 3: Non-intrusive objective measurement methods applicable to networks and links with classes of services
Norma vydána dne 17.6.2003
Vybrané provedení:Poslední aktualizace: 08.12.2025 (Počet položek: 2 249 257)
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