Description
The Cisco NIM-2FXS4FXO is a versatile network interface module designed for Cisco ISR 4000 Series routers, offering a cost-effective solution for integrating voice and telephony services into your network. It features two FXS (Foreign Exchange Station) ports and four FXO (Foreign Exchange Office) ports, allowing seamless connectivity to analog phones, fax machines, and the public switched telephone network (PSTN). This module is ideal for small to medium-sized businesses looking to consolidate voice and data infrastructure while maximizing router capabilities. Its compact, modular design ensures easy installation and scalability within existing Cisco ISR platforms.
Built with Cisco’s high-quality standards, the NIM-2FXS4FXO supports a wide range of voice protocols, including SIP, H.323, and MGCP, ensuring interoperability with various VoIP systems. The module supports advanced voice features such as echo cancellation, voice activity detection, and comfort noise generation for improved call quality. It integrates seamlessly with Cisco Unified Communications Manager and other Cisco voice solutions, providing a reliable foundation for unified voice deployments. When purchasing used, buyers should ensure the module includes its original faceplate, connectors are intact, and that it has been tested for full functionality.

