An Other Service Provider (OSP) registration from the Department of Telecommunications (DoT) in India is required for businesses that provide IT-enabled services (ITES), such as call centers and BPOs, using telecommunication resources. This registration, often referred to as a DoT OSP license, ensures compliance with India's telecom Who needs an OSP registration? A DoT OSP registration is mandatory for any company that uses telecom resources to offer services such as: Call centers: Including domestic, international, inbound, and outbound operations. Business Process Outsourcing (BPO) and Knowledge Process Outsourcing (KPO): For both voice-based and non-voice processes. E-commerce Tele-banking Tele-medicine Tele-education Tele-trading Network Operation Centers (NOCs) Types of OSP registrations There are three types of OSP registrations: Domestic, International, and Domestic and International, which govern a company's calling scope. Domestic OSP is for calls within India, International OSP is for calls outside India, and the combined registration is for both. The latter requires a minimum of 50 seats and a bank guarantee. Eligibility and documents To apply, a business must be a company registered under the Companies Act, 2013. Required documents include the Certificate of Incorporation, MOA and AOA, a board resolution, business activity details, director list, and shareholding pattern. How to register The online application process is via the DoT's Sanchaar Saathi portal. Key steps involve registering the company, compiling documents, submitting the online application, paying a nominal fee (typically ₹1,000 per site), and awaiting verification and approval Compliance and validity An OSP registration is valid for 20 years and can be extended. OSPs must file an annual return within six months of the financial year end; failure to do so for three years can lead to cancellation. OSPs must use authorized telecom resources and cannot provide switched telephony. Registration is location-specific, requiring separate applications for each site. Important note on changes Recent government guidelines have exempted certain voice-based BPOs from the OSP registration. It's important to verify the latest regulations for your specific business activities.