linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");