nightcrawler
03/26/2026, 8:36 PMVapi Support Bot
03/26/2026, 8:37 PMtransferCall configuration includes multiple destinations in the destinations array, or are you using dynamic routing via a webhook/server? This will help identify if the issue is with configuration or routing logic.
Sources:
- [Assistant-based warm transfer documentation](https://docs.vapi.ai/calls/assistant-based-warm-transfer)
- [Debug forwarding drops](https://docs.vapi.ai/phone-calling/in-call-control/transfer-calls/debug-forwarding-drops)
- [Dynamic call transfers](https://docs.vapi.ai/calls/call-dynamic-transfers)Matt
03/26/2026, 8:39 PMnightcrawler
03/26/2026, 8:40 PMnightcrawler
03/26/2026, 8:41 PMMatt
03/26/2026, 9:03 PMChiranjeet Mishra
03/30/2026, 8:19 PMtransferCall tool is structured (especially the destinations array / arguments)
• How routing is configured on the Twilio side (any fallback numbers, Studio flows, or overrides)
This will help us determine whether this is a configuration issue or something happening at execution time.
Looking forward to your reply.
Best,
VAPI Support