Exotel and Knowlarity (now part of Gupshup) are market leaders providing IVR, call recording, and deep CRM integrations.
Standard 10-digit formats (starting with 9, 8, 7, or 6) often used for SMS-based marketing and mobile-first outreach. buy virtual number india
Some providers, such as Sonetel , note that pure local-to-local use of virtual numbers is prohibited; calls often must be forwarded outside the country or managed through specific licensed UL-VNO (Unified License for Virtual Network Operators) platforms. Exotel and Knowlarity (now part of Gupshup) are