Explore the Dinstar FXS VoIP Gateway Series for seamless analog-to-IP communication. These gateways are designed for high-quality voice transmission, offering advanced features like SIP protocol support, flexible routing, and reliable connectivity for businesses of all sizes. Ideal for integrating legacy telephony systems into modern IP networks. An FXS (Foreign Exchange Subscriber) VoIP (Voice over Internet Protocol) gateway is a device that connects traditional analog phones to a VoIP (Voice over Internet Protocol) system, allowing users to make and receive phone calls over the Internet.