> For a complete documentation index, fetch https://docs.voximplant.ai/llms.txt

# IBM

List of available IBM TTS voices for the `Call.say`(/docs/references/voxengine/call#say) and `VoxEngine.createTTSPlayer`(/docs/references/voxengine/voxengine/createttsplayer) methods. Depending on the voice, different technologies are used to make synthesized voices sound as close as possible to live human voices. Please note that using these text-to-speech capabilities are charged according to the `pricing`([https://voximplant.com/pricing](https://voximplant.com/pricing)).

## Sub-namespaces

* [Neural](/api-reference/voxengine/voice-list/ibm/neural) — List of available premium IBM TTS voices for the Call.say(/docs/references/voxengine/call#say) and…