Company
Open-source acknowledgements.
VoxVane Voice, VoxVane Listen, VoxVane Turn, VoxVane Engine and VoxVane Phone are built with the open-source projects below. We are grateful to their authors and contributors.
These names are trademarks of their respective owners and appear here only to credit the projects. None of them is affiliated with or endorses VoxVane. Each project's licence and copyright notices are kept with our copy of it. Asterisk is licensed under GPL-2.0 and runs only on VoxVane's own servers; its source is available from the project link.
The sample audio on this site is generated with VoxVane Voice, which runs on the voice model credited below. The phone call in the demo is fictional.
Voice and AI models
| Component | Version | Licence | Modified | Link |
|---|---|---|---|---|
| Whisper base.en weights (CTranslate2 conversion) | base.en | MIT | No | Project |
| Nemotron Speech Streaming 0.6B weightsin testing | to be pinned | NVIDIA Open Model Licensebeing confirmed | No | Project |
| Silero VAD | bundled with livekit-plugins-silero 1.8.3 | MIT | No | Project |
| Smart Turn | 3.2 | BSD-2-Clausebeing confirmed | No | Project |
| Kokoro-82M weights | v1.0 (ONNX) | Apache-2.0 | No | Project |
| Qwen3-TTS 1.7B weightsin testing | to be pinned | Apache-2.0being confirmed | No | Project |
| GLM-5.3-Flash weights | NVFP4 / AWQ-INT4 checkpoints | MIT | No | Project |
| GLM-4.7-Flash weights | bf16 (FP8 at load) | MIT | No | Project |
| Qwen3.6-35B-A3B weightsin testing | FP8 | Apache-2.0being confirmed | No | Project |
Voice, call and model-serving software
| Component | Version | Licence | Modified | Link |
|---|---|---|---|---|
| Asterisk | 22.11 | GPL-2.0-only | No | Project |
| LiveKit server | to be pinned | Apache-2.0 | No | Project |
| LiveKit SIP | to be pinned | Apache-2.0 | No | Project |
| Valkey | to be pinned | BSD-3-Clause | No | Project |
| cloudflared | to be pinned | Apache-2.0being confirmed | No | Project |
| vLLM | 0.30.0 | Apache-2.0 | No | Project |
| SGLang | 0.5.20 | Apache-2.0 | No | Project |
| LiveKit Python SDK | 1.1.18 | Apache-2.0 | No | Project |
| LiveKit Agents | 1.8.3 | Apache-2.0 | No | Project |
| faster-whisper | 1.2.1 | MIT | No | Project |
| CTranslate2 | 4.8.2 | MIT | No | Project |
| kokoro-onnx | 0.6.1 | MIT | No | Project |
| ONNX Runtime | 1.22.0 | MIT | No | Project |
| NumPy | 2.2.6 | BSD-3-Clause | No | Project |
| soundfile | 0.13.1 | BSD-3-Clause | No | Project |
| lameenc | 1.8.4 | LGPL-3.0-only | No | Project |
| NVIDIA NeMoin testing | to be pinned | Apache-2.0being confirmed | No | Project |
| AudioSealin testing | to be pinned | MITbeing confirmed | No | Project |
App libraries
| Package | Version | Licence | Modified | Link |
|---|---|---|---|---|
| @modelcontextprotocol/core | 2.0.0 | MIT | No | Project |
| @modelcontextprotocol/server | 2.0.0 | MIT | No | Project |
| accepts | 2.0.0 | MIT | No | Project |
| agent-base | 6.0.2 | MIT | No | Project |
| asynckit | 0.4.0 | MIT | No | Project |
| axios | 1.20.0 | MIT | No | Project |
| body-parser | 2.3.0 | MIT | No | Project |
| buffer-equal-constant-time | 1.0.1 | BSD-3-Clause | No | Project |
| busboy | 1.6.0 | MIT | No | Project |
| bytes | 3.1.2 | MIT | No | Project |
| call-bind-apply-helpers | 1.0.2 | MIT | No | Project |
| call-bound | 1.0.4 | MIT | No | Project |
| combined-stream | 1.0.8 | MIT | No | Project |
| content-disposition | 1.1.0 | MIT | No | Project |
| content-type | 1.0.5 | MIT | No | Project |
| content-type | 2.1.0 | MIT | No | Project |
| cookie | 0.7.2 | MIT | No | Project |
| cookie-signature | 1.2.2 | MIT | No | Project |
| dayjs | 1.11.23 | MIT | No | Project |
| debug | 4.4.3 | MIT | No | Project |
| delayed-stream | 1.0.0 | MIT | No | Project |
| depd | 2.0.0 | MIT | No | Project |
| dunder-proto | 1.0.1 | MIT | No | Project |
| ecdsa-sig-formatter | 1.0.11 | Apache-2.0 | No | Project |
| ee-first | 1.1.1 | MIT | No | Project |
| encodeurl | 2.0.0 | MIT | No | Project |
| es-define-property | 1.0.1 | MIT | No | Project |
| es-errors | 1.3.0 | MIT | No | Project |
| es-object-atoms | 1.1.2 | MIT | No | Project |
| es-set-tostringtag | 2.1.0 | MIT | No | Project |
| escape-html | 1.0.3 | MIT | No | Project |
| etag | 1.8.1 | MIT | No | Project |
| express | 5.2.1 | MIT | No | Project |
| finalhandler | 2.1.1 | MIT | No | Project |
| follow-redirects | 1.16.1 | MIT | No | Project |
| form-data | 4.0.6 | MIT | No | Project |
| forwarded | 0.2.0 | MIT | No | Project |
| fresh | 2.0.0 | MIT | No | Project |
| function-bind | 1.1.2 | MIT | No | Project |
| get-intrinsic | 1.3.0 | MIT | No | Project |
| get-proto | 1.0.1 | MIT | No | Project |
| gopd | 1.2.0 | MIT | No | Project |
| has-symbols | 1.1.0 | MIT | No | Project |
| has-tostringtag | 1.0.2 | MIT | No | Project |
| hasown | 2.0.4 | MIT | No | Project |
| http-errors | 2.0.1 | MIT | No | Project |
| https-proxy-agent | 5.0.1 | MIT | No | Project |
| iconv-lite | 0.7.3 | MIT | No | Project |
| inherits | 2.0.4 | ISC | No | Project |
| ipaddr.js | 1.9.1 | MIT | No | Project |
| is-promise | 4.0.0 | MIT | No | Project |
| jsonwebtoken | 9.0.3 | MIT | No | Project |
| jwa | 2.0.1 | MIT | No | Project |
| jws | 4.0.1 | MIT | No | Project |
| lodash.includes | 4.3.0 | MIT | No | Project |
| lodash.isboolean | 3.0.3 | MIT | No | Project |
| lodash.isinteger | 4.0.4 | MIT | No | Project |
| lodash.isnumber | 3.0.3 | MIT | No | Project |
| lodash.isplainobject | 4.0.6 | MIT | No | Project |
| lodash.isstring | 4.0.1 | MIT | No | Project |
| lodash.once | 4.1.1 | MIT | No | Project |
| math-intrinsics | 1.1.0 | MIT | No | Project |
| media-typer | 1.1.1 | MIT | No | Project |
| merge-descriptors | 2.0.0 | MIT | No | Project |
| mime-db | 1.52.0 | MIT | No | Project |
| mime-db | 1.54.0 | MIT | No | Project |
| mime-types | 2.1.35 | MIT | No | Project |
| mime-types | 3.0.2 | MIT | No | Project |
| ms | 2.1.3 | MIT | No | Project |
| negotiator | 1.1.0 | MIT | No | Project |
| object-inspect | 1.13.4 | MIT | No | Project |
| on-finished | 2.4.1 | MIT | No | Project |
| once | 1.4.0 | ISC | No | Project |
| parseurl | 1.3.3 | MIT | No | Project |
| path-to-regexp | 8.4.2 | MIT | No | Project |
| proxy-addr | 2.0.8 | MIT | No | Project |
| proxy-from-env | 2.1.0 | MIT | No | Project |
| qs | 6.16.0 | BSD-3-Clause | No | Project |
| range-parser | 1.3.0 | MIT | No | Project |
| raw-body | 3.0.2 | MIT | No | Project |
| router | 2.2.0 | MIT | No | Project |
| safe-buffer | 5.2.1 | MIT | No | Project |
| safer-buffer | 2.1.2 | MIT | No | Project |
| scmp | 2.1.0 | BSD-3-Clause | No | Project |
| semver | 7.8.5 | ISC | No | Project |
| send | 1.2.1 | MIT | No | Project |
| serve-static | 2.2.1 | MIT | No | Project |
| setprototypeof | 1.2.0 | ISC | No | Project |
| side-channel | 1.1.1 | MIT | No | Project |
| side-channel-list | 1.0.1 | MIT | No | Project |
| side-channel-map | 1.0.1 | MIT | No | Project |
| side-channel-weakmap | 1.0.2 | MIT | No | Project |
| statuses | 2.0.2 | MIT | No | Project |
| streamsearch | 1.1.0 | MIT | No | Project |
| toidentifier | 1.0.1 | MIT | No | Project |
| twilio | 5.13.1 | MIT | No | Project |
| type-is | 2.1.0 | MIT | No | Project |
| unpipe | 1.0.0 | MIT | No | Project |
| vary | 1.1.2 | MIT | No | Project |
| wrappy | 1.0.2 | ISC | No | Project |
| ws | 8.21.3 | MIT | No | Project |
| xmlbuilder | 13.0.2 | MIT | No | Project |
| zod | 4.6.5 | MIT | No | Project |
Registry 2026-10-03. The full notices, including every package's licence text, ship with VoxVane as THIRD_PARTY_NOTICES.md.