@Yoann C.
It seems like you've encountered an error due to exceeding the quota limit for the volume of calls. The token limit for VAPI can vary based on your current plan and any custom arrangements you may have. To address this issue and discuss the specifics of your token limit or to request an increase in your concurrency limit, please reach out to our support team. They will be able to provide you with detailed information and assist you in resolving this matter.
Would you like me to guide you on how to contact support or assist you with any other queries you might have?