1. When managing the telemarketing team, the sales supervisor often listens to the recording and rewinding, which is a good method, because only through the real sales dialogue can the sales supervisor know what has been said between the sales staff and the potential customers and what problems may exist that need to be solved urgently.

2. Ways to help salespeople solve sales loopholes, and help them understand their own shortcomings and deficiencies by analyzing and coaching salespeople's telephone sales recordings.