VAPI•4w ago

Transfer timeout does not work

I already created a post with this supporttransfer call not timing out but it seems after a while posts don't get any other answer so I am reposting to maybe have it fresh and get some eyes on this. I already tried the configuration suggested and it does not work. It does not even allow to set that configuration.

Vapi Support BotAPP•11/25/25, 11:53 AM

To set a transfer timeout for assistant-based warm transfers, ensure your configuration includes the

maxDurationSeconds

maxDurationSeconds

property under transferAssistanttransferAssistant. For example:

"transferPlan": {
  "mode": "warm-transfer-experimental",
  "transferAssistant": {
    "firstMessage": "Hello, I have a customer on the line. Are you available to take this call?",
    "maxDurationSeconds": 120, // Timeout in seconds
    "silenceTimeoutSeconds": 30
  }
}

"transferPlan": {
  "mode": "warm-transfer-experimental",
  "transferAssistant": {
    "firstMessage": "Hello, I have a customer on the line. Are you available to take this call?",
    "maxDurationSeconds": 120, // Timeout in seconds
    "silenceTimeoutSeconds": 30
  }
}

Note: This only works with Twilio numbers. Double-check that your configuration matches this structure and that you are using a supported provider.
For more details, see the Assistant-based warm transfer documentation.

Source:

Assistant-based warm transfer documentation

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Transfer timeout does not work

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