class_docstr: Input channel for Twilio Voice.
class_docstr_tok: ["Input","channel","for","Twilio","Voice","."]
docstr: Raises error if enhanced is used with an incompatible speech_model.
docstr_tok: ["Raises","error","if","enhanced","is","used","with","an","incompatible","speech_model","."]
code: def _raise_invalid_enhanced_speech_model_exception(self) -> None:
      """Raises error if enhanced is used with an incompatible speech_model."""
      raise InvalidConfigException(
          f"If you set enhanced to 'true' then speech_model must be 'phone_call'. "
          f"Current speech_model is: {self.speech_model}."
      )
  
imports: from sanic import Blueprint, response
  from sanic.request import Request
  from sanic.response import HTTPResponse
  from twilio.twiml.voice_response import VoiceResponse, Gather
  from typing import Text, Callable, Awaitable, List, Any, Dict, Optional
  import rasa.utils.io
  import rasa.shared.utils.io
  from rasa.shared.core.events import BotUttered
  from rasa.shared.exceptions import InvalidConfigException
  from rasa.core.channels.channel import InputChannel, CollectingOutputChannel, UserMessage
label_desc: Use image node_id 10 for calling the TwilioVoiceInput obj's underlying member method code with example usage: obj._raise_invalid_enhanced_speech_model_exception() without return types