| Standards | |
| -Complete Speex RTP profile | |
| Features | |
| *Support for intensity stereo | |
| *Support for 32 kHz sampling rate | |
| *Explicit encoding of DTMF/TTY? | |
| *Add maximum bit-rate control for VBR | |
| *Add "VAD-only" VBR (constant bit-rate or comfort noise) | |
| Codec | |
| -Better VBR logic for choosing mode | |
| -Wideband VBR | |
| -Improve VAD | |
| -Improve narrowband vocoder |