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  Home : ITU-T : Publications : Recommendations : G Series : G.721 : G.721 (11/88)
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G.721 : 32 kbit/s adaptive differential pulse code modulation (ADPCM)

Recommendation G.721 (11/88)

Approved in 1988-11-25

Status : Withdrawn

The content of this Recommendation is now covered by ITU-T G.726
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Updated : 2009/05/21