Big companies want customers. For example, you can call the customer service of this company, such as the account number, password, transfer, or the situation in the account.

You can answer it through customer service, which doesn't require much skill.

I estimate that your company will give you training in this field. The nature of answering customers' questions is no different from that of 10086, that is, answering questions. If you only sell dog meat, it means that you are still attracting customers, that is, telemarketing.