Outsourcing of telemarketing services can help an organization augment their existing customer relationships. Telemarketing can increase and enhance an organization’s revenue by effectively closing sales through competent inbound/outbound telemarketing functions by creating sales leads. The two major categories of telemarketing are Business-to-business and Business-to-consumer. Business-to-Business (B2B) is defined as trade or commerce conducted electronically. Business involving individuals or end-to-end customer is referred to as Business-to-Customer or B2B. Units may choose to offer services in products, core competencies, services, marketing, to name a few. Telemarketing services can either be run onshore or offshore.

Outsourcing and off shoring are used interchangeably. Business Process Outsourcing (BPO) is a part of the outsourcing industry and is dependent on information technology. Knowledge Process Outsourcing (KPO) and Legal Process Outsourcing (LPO) are some of the subsets of business process outsourcing to name a few. A Service Level Agreement (SLA) measures the quality of service and contractual agreements. BPO vendors offer their services on a fee-for-service basis. In India, The National Association of Software and Services Companies (NASSCOM) mediates as a watch dog to the Indian software industry and Indian BPO industry.