### Answer
The specific information about the regional deployment of Vapi servers isn't detailed in the provided sources. However, Vapi is designed to handle low latency demands internationally, ensuring responsive conversation experiences globally [(1)](
) . For specific details regarding server locations and how they might impact latency with your custom LLM service, I recommend contacting Vapi support directly.
For further optimizations and server configurations, you might find the discussion on orchestration models helpful, which involves latency optimizations and server co-location to enhance performance [(2)](
) .