TR 101 041-2-1997 Human Factors (HF); European Harmonization of Network Generated Tones; Part 2: Listing and Analysis of European@ World and Standardized Tones (V1.1.1)
ETSI - European Telecommunications Standards Institute
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TR 101 041-2-1997
TR 101 041-2-1997 history
1997TR 101 041-2-1997 Human Factors (HF); European Harmonization of Network Generated Tones; Part 2: Listing and Analysis of European@ World and Standardized Tones (V1.1.1)