The AudioCodes Mediant 500 Enterprise Session Border Controller (E - SBC) is a compact and efficient VoIP connectivity solution tailored for small enterprises and branch office locations. It seamlessly connects IP - PBXs to any SIP trunking service provider, supporting up to 250 concurrent sessions. This device ensures secure and reliable communications, making it ideal for distributed enterprise communications deployments. With features like 4 RJ - 45 ports, a management port, and Gigabit Ethernet technology, the Mediant 500 is designed for both rack - mountable and desktop use, providing flexibility and high performance in voice signal conversion and data transmission.