h263_amr_wb_176_144_v36_10_a14.sdp
h263_amr_wb_176_144_v110_15_a20.sdp
h263_amr_wb_vbr_176_144_v56_10_a14.sdp
h263_amr_wb_vbr_176_144_v176_20_a24.sdp
h263_amr_wb_vbr_176_144_v226_25_a24.sdp
h263_amr_wb_vbr_176_144_v276_30_a24.sdp