async def voicemail_response(self, params: FunctionCallParams):
        """Function the bot can call to leave a voicemail message."""
        message = """You are Chatbot leaving a voicemail message. Say EXACTLY this message and then terminate the call:

                    'Hello, this is a message for Pipecat example user. This is Chatbot. Please call back on 123-456-7891. Thank you.'"""

        await params.result_callback(message)
Function the bot can call to leave a voicemail message.
examples/phone-chatbot/daily-pstn-advanced-voicemail-detection/bot.py