Is the voice tone important to approach the customer?

Tone of voice is very important in Customer Service because the customer would feel if you are genuine when offering your help and providing a resolution to his enquiry.

To be honest, tone of voice is the most important factor in customer service, as of course if you choose the right tone of voice or the most suitable one regarding the situation, would let the customer to relief and trust about what you are selling him, all you have to do, just mirror the customer's tone of voice, and you'll be there.