Your support team's productivity increases by using standard NS-STS features like collaborators and notes. All these features can be used as a fault dictionary or knowledge database helping you solving similar issues in the future. It helps also train your staff in most common issues and the fastest way of solving them.
Your internal or external customers will notice the improvement in issues or bug tracking and will give you better reviews.
With NS-STS you save time, work faster and make your team more efficient.