Dear VAPI Team, My name is Timo Verbeek, and I am the GenAI Specialist @ the Generative AI team at Zonneplan (Dutch Energy Company). For your reference, we are working within the VAPI account associated with development@zonneplan.nl . This is our best current voicebot in your platform: https://dashboard.vapi.ai/assistants/0f676008-113b-42f0-bd6c-f8759f92e839 We are in the final stages of launching our AI voicebot and have encountered the following technical issues: 1. Background sound adjustment: I would like to change the background sound. I want to change the volume slightly and after 2 minutes it fades out and fades in again. I tried uploading my own voice or another voice via soundjay, but then I don’t hear anything. 2. Test suite functionality: The Test Suite does not appear to be working correctly with our Dutch-language bot. Could you help us understand why this might be happening and how we can resolve it? Custom RAG filler word: We would like to change the default RAG filler word from 'moment' (the Dutch word for 'one moment') to a subset of filler words. Is this customization possible, and if so, how can we implement it? As we are planning to scale our usage of VAPI significantly, we are happy to schedule a brief introductory call if your team is interested in learning more about our project. Thank you for your time and support. Kind regards, Timo Verbeek GenAI Specialist https://cdn.discordapp.com/attachments/1412071611577929758/1412071611833778218/thumbnail_image001.png?ex=68b6f5ab&is=68b5a42b&hm=05173d953bdffa4b2e26aed425c751026c7734a7bd92f38616bc4915a6dbbee5& https://cdn.discordapp.com/attachments/1412071611577929758/1412071612181774437/thumbnail_image002.png?ex=68b6f5ab&is=68b5a42b&hm=e76106302fc42aa1b33c55aaed44ff454a8d49b263099b16c232d11d652f4300&

Hi Timo V, Regarding your need to adjust the background sound for the voicebot, you can configure the

backgroundSound

field. Use a URL to specify the audio file or set it to "off" if you prefer no sound. This feature might not be available in the visual workflow builder UI. For issues with test suite functionality, if it's not working correctly with your Dutch-language bot, check if there are any language-specific configurations that might need adjustments. You can also create test suites by navigating to the Test Suites page in the dashboard and following the steps for creating voice tests, as outlined in the [Voice Testing documentation](https://docs.vapi.ai/test/voice-testing). If the issues persist, reviewing the logs and ensuring that all configurations align with the expected inputs and outputs can help diagnose these problems.