The Yeastar TA FXS VoIP gateways are state-of-the-art products that connect traditional telephones, fax machines, and PBX systems with IP telephony networks and IP-based PBX systems. With extensive features and easy configuration, the TA is ideal for small and medium-sized businesses looking to integrate a traditional telephone system into an IP-based system, including the Yeastar S series. It is a stand-alone FXS VoIP gateway with carrier-grade features and reliability. Fully compliant with SIP and IAX2, it also offers flexible call rules. Feature-rich: A robust set of features that meets various needs and reduces communication costs. Simple: The easy and intuitive web-based configuration saves a lot of time. Reliable: Stable with advanced hardware and software architecture. Interoperability: Interoperable with a wide range of softswitches, PBX, and IP-PBX systems such as Elastix and Lync Server.