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ETSI TS 146 081
M00005233
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ETSI TS 146 081 Digital cellular telecommunications system (Phase 2+); Discontinuous Transmission (DTX) for Enhanced Full Rate (EFR) speech traffic channels (3GPP TS 46.081 version 8.0.0 Release 8)
standard by European Telecommunications Standards Institute, 02/01/2009
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