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### Answer I'm sorry for the confusion, but it seems there might have been a misunderstanding regarding the functionality within Vapi. According to the documentation provided, Vapi supports functions such as

transferCall

,

endCall

, and

dialKeypad

for interacting with calls in various ways [(1)]() . However, the term

dtmfFunctionEnabled

does not appear in the provided information, which might be the source of the issue you're experiencing. For implementing the action of pressing numbers on the keypad, you should use the

dialKeypad

function when it's enabled on your assistant. This function allows the assistant to enter digits on the keypad during a call, which is likely what you're looking to achieve. If you're still having trouble, please ensure that the

dialKeypadFunctionEnabled

setting is properly configured for your assistant. Unfortunately, the specific details on enabling this setting or troubleshooting related issues aren't covered in the provided documentation. For further assistance or clarification, reviewing the official documentation or reaching out to the Vapi support might provide more directed help for your specific use case.

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