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VOICE STANDARDS Codec --- Rates --- G. Coding Sampling Bit Number Method (kHz) (kBps) G.711 PCM mu-Law 8 64 G.711 PCM A-Law 8 64 G.721 ADPCM 8 32 G.722 ASPCM 7 48/56/64 G.722.1 MLT 16 24/32 G.722.2 ACELP 16 6.6 to 23.85 G.723 (withdrawn) G.723.1 MP-MLQ 8 6.3 G.723.1 ACELP 8 5.3 G.726 ADPCM 8 16/24/32/40/64 G.727 ADPCM 8 16/24/32/40/64 G.728 LD-CELP 8 16 G.729 CS-ACELP 8 8 DSL STANDARDS (See DSL). G.991.1 HDSL G.991.2 SHDSL - Single Pair HDSL G.992.1 ADSL G.992.2 Splitterless ADSL G.992.3 ADSL2 G.992.4 Splitterless ADSL2 G.992.5 ADSL2+ G.993.1 VDSL G.993.2 VDSL2 G.994.1 Handshaking Procedures G.995.1 Overview G.996.1 Test Procedures G.997.1 Physical Layer Management G.9700 Gfast G.9701 Gfast