A useful chart that will assist you in identifying what to listen out for when you are listening to a customer can be found here in this one page PDF document.
The paper provided is about listening beyond what we know as active listening. While active listening is helpful to explore what has been explicitly said, like what promises have been made, it is not sufficient for exploring what is not said. Click here to access the PDF version.
This paper will seek to explain what is going on with listening and what must be done for listening to really occur in an effective and significant sense. To access the PDF version click here.
As we undertake to make changes, it is just as important to understand what is going on in what we are going to call listening. As we prepare to make things happen and construct new practices, before anything of any consequence happens, we are already listening and speaking. A fascinating paper by Chauncey and Shirah Bell can be found here.
Tuning into customers to understand where they are coming from and what way of working really matters to them. Let the Listening Framework found here in this PDF slide deck assist you.