How many chances do you get to close a sale? Usually, just one. So training your sales personell to be aware of the many closing styles, and be able to choose the best one for a specific sale, is important.
See the infographic below for 10 Ways to Close with Modern Call Center Sales Techniques.
Sources: How to Close: The Complete List of Sales Closing Techniques https://blog.hubspot.com/sales/how-to-close