But the call drops, and Telnyx says the error is on Vapi’s side — According to our logs, the Refer is being accepted and the call is forwarded to the IP 44.238.177.138. However, we are receiving a 503 Service unavailable response from this IP. This indicates that the issue is not on our side. Please check with the destination IP to investigate why this error is being sent. Here’s their response. Can you help me somehow? Call transfers are critical for my business — I can’t work properly without them.