Exotel is the building block that helps you customise customer communication over calls and SMS. Connect vendors, delivery personnel, drivers, etc. via virtual phone numbers without revealing the customer’s phone. Build a full-featured cloud call center in minutes – no infrastructure or hardware cost. Connect customers with the
appropriate vendors using virtual number in India. Create communication touch-points based on your customers’ actions via IVR solutions & SMS. Improve security with a two factor authentication.
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[Disclaimer: I work for 2Factor SMS Gateway Provider thus below answer may involve references to 2Factor’s offerings]Hello,In India, there are primarily two categories of messages ( as approved by TRAI, Telecom RegulatoryTwo Factor Authentication