Based in Houston, Texas, Whisl offers cost-effective voice and messaging services, global numbering, direct inward dialing, and authentication services. It enables users to connect directly with their customers at low costs. Recently, on May 9th, 2022, Whisl was acquired by iQSTEL, although the terms of the transaction were not disclosed. Whisl primarily caters to U.S. corporate customers and operators, providing Voice/SMS services.