#define DEFAULT_FRAMESIZE 20
#define DEFAULT_CBR TRUE
#define DEFAULT_CONSTRAINED_VBR TRUE
-#define DEFAULT_BITRATE_TYPE BITRATE_TYPE_CBR
+#define DEFAULT_BITRATE_TYPE BITRATE_TYPE_CONSTRAINED_VBR
#define DEFAULT_COMPLEXITY 10
#define DEFAULT_INBAND_FEC FALSE
#define DEFAULT_DTX FALSE