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ETSI I-ETS 300 302-4
- Integrated Services Digital Network (ISDN); Videotelephony teleservice; Part 4: Audio aspects - wideband coding and loudspeaking or handsfree function
- standard by European Telecommunications Standards Institute, 09/01/1996
- Publisher: ETSI
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Standardization of electroacoustical characteristics of videotelephony terminals for Integrated Services Digital Network using wideband (CCITT G.722) coding and handset functions.
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