| Code | Title | Status | |
|---|---|---|---|
| STQ | |||
| 249 | VoIP loss plan harm. | CLOSED | |
| 273 | Background noise Step 1 | CLOSED | |
| 294 | Background noise Step 2 | CLOSED | |
| 358 | TBR38 - HATS | CLOSED | |
| 363 | QoS in NGN architectures | CLOSED | |
| 436 | QoS model | CLOSED | |
| 437 | QoS current NW/LTE | CLOSED | |
| T021 | New ETSI speech codec | ACTIVE | |