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ETSI I-ETS 300 245-6
- Integrated Services Digital Network (ISDN); Technical characteristics of telephony terminals; Part 6: Wideband (7 kHz), loudspeaking and hands free telephony
- standard by European Telecommunications Standards Institute, 01/01/1996
- Publisher: ETSI
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To standardise electroacoustical characteristics for loudspeaking and handsfree telephony terminals using G.722 coding