A telecaller, also known as a telemarketer or telephone sales representative, is responsible for making outbound calls to potential customers and managing incoming calls. Their duties include: 

• Making sales
• Generating leads, making cold calls, and persuading customers to purchase products or services 
• Building relationships
• Fostering relationships with existing clients and building rapport with potential clients 
• Customer service
• Resolving customer concerns and issues, and providing excellent customer service 
• Data management
• Organizing customer information within databases, and keeping accurate records of calls made and sales made 
• Reporting
• Making reports and documentation based on conversations, and submitting daily progress reports 
• Communicating
• Presenting products or services, detailing their advantages, and providing pricing details 
• Interacting
• Interacting with customers via various channels, such as live chat, emails, social media, and direct calls 

Telecallers may work for various businesses, including insurance companies, credit card companies, and telemarketing firms. 

Some skills that are useful for telecallers include:

• Excellent verbal and written communication skills
• Good interpersonal skills
• Good listening skills
• Ability to handle pressure
• Good MS Office knowledge
• Fluent communication skills in the local language
• Basic computer skills