A GSM Gateway is a communication device that bridges the gap between GSM networks and traditional telephone systems. Simply put, it enables calls from a company’s PBX (Private Branch Exchange) or VoIP systems to be routed through GSM SIM cards instead of landline or internet connections. https://akomtechnologies86.wordpress.com/2025/07/11/how-a-single-device-can-upgrade-your-communication-flow/