... ITU-T G.992.1 Annex A, B (G.dmt), ITU-T G.992.2 Annex A, B (G.lite), ITU-T G.994.1 (G.hs) ... for upstreamADSL2 compliance: ITU-T G.992.3 Annex A, B, L, M (G.dmt.bis), ITU-T G.992.4 Annex A, ... downstream and 1.5 Mbps for upstreamADSL2+ compliance: ITU-T G.992.5 Annex A, B, MMaximum Rate: 24 ... , MGCP, H.323(O)Codecs: G.711, G.723, G.726, G.729, Wideband (G.722), T.38Flexible Telephone number per FXS and DECT ...