Tele callers are responsible for making outbound calls to potential customers or clients to promote and sell a product or service or collect information. Their roles and responsibilities typically include:

1. Making calls: Tele callers make outbound calls to potential customers, clients, or partners.
2. Introducing the product/service: They provide information about the product or service that the company is offering and explain its benefits.
3. Answering questions: Tele callers must be knowledgeable about the product or service and be able to answer any questions that potential customers may have.
4. Persuading customers: They must be persuasive and convincing in order to sell the product or service.
5. Meeting targets: Tele callers are often given targets to meet, such as the number of calls made, appointments booked, or sales closed.
6. Maintaining records: They keep detailed records of calls, sales, and customer feedback.
7. Following up: Tele callers follow up with customers who have expressed interest in the product or service, and continue to build relationships with existing customers.
8. Customer service: They handle customer complaints and queries, and try to resolve any issues in a timely and professional manner.
9. Reporting: Tele callers report their progress to their supervisors and provide feedback on the effectiveness of the calling campaigns.

Overall, the role of a tele caller is to generate new business leads, increase sales and revenue, and maintain strong relationships with customers.