@function_tool()
    async def disposition_dnc(self, context: RunContext):
        """
        
        
        Use when customer  requests no further contact OR displays aggressive/inappropriate behavior.
        
        Explicit opt-out examples:
        - "Don't ever call me again"
        - "Put me on your Do Not Call list"
        - "Stop calling me"
        - "Remove my number"
        
        Behavioral triggers:
        - Aggressive, rude, or profane language
        - Harassment, threats, or angry tone
        - Yelling, mocking, or clearly annoyed behavior
        - Accusations like "You're harassing me" or "This is spam"
        """   
        logger.info("Inside disposition_dnc")
        try:
            if self.session:
                speech_handle = await context.session.say(
                "Thank you for your time. Goodbye.",
                add_to_chat_ctx=True
            )
            
                await speech_handle.wait_for_playout()
                speech_handle.done()
            
            logger.info("Disposition: DO NOT CALL (DNC)")
        
            if self.end_call_handler:
                await self.end_call_handler._handle_hangup(disposition="DNC")
                
            return "DNC disposition applied"
            
        except Exception as e:
            # It's good practice to log the traceback for better debugging
            logger.error(f"Error in disposition_dnc: {e}", exc_info=True)
            return f"Error applying DNC disposition: {str(e)}"