the temperature is a setting for the LLM, not the TTS so that won't help if you find it monotone. Only the speed seems to be configurable for the VapiVoice provider (https://api.vapi.ai/api#/Assistants/AssistantController_create) https://cdn.discordapp.com/attachments/1211484481848873020/1399433397885210846/image.png?ex=6888fb6a&is=6887a9ea&hm=910cb56b6ce6d7c76accd55f2f6584fc8b17b2e368f32f068f94105a9f674650&