The Cisco Two-port Voice Interface Card - FXO (Universal) is an essential component for enhancing voice communication and WAN connectivity. This card supports a wide range of digital voice and WAN connectivity options, making it ideal for integration with various PBXs, PSTNs, and PTT organizations. With two RJ-11 FXO WAN ports, it ensures dependable performance and maximum productivity for voice applications. The VIC2-2FXO is compatible with several Cisco platforms, including the 3745, 3725, 3660 Series, and more, providing flexibility and scalability for your network needs.