Description
The Cisco VIC-4FXS/DID is a high-performance voice interface card designed for Cisco ISR routers, offering four Foreign Exchange Station (FXS) ports and Direct Inward Dialing (DID) support. This module enables analog devices such as telephones, fax machines, or modems to connect directly to a VoIP network, making it ideal for small to medium-sized businesses transitioning to IP telephony. Built for reliability, it integrates seamlessly into supported Cisco routers, delivering consistent voice quality and low-latency communication. Its compact form factor allows for easy installation into network environments where space and efficiency are critical.
Technically, the VIC-4FXS/DID supports a maximum of four analog voice or fax calls simultaneously, with support for features like caller ID, call waiting, and distinctive ring. It uses RJ-11 connectors for each port and is compatible with Cisco IOS software for flexible configuration and management. The card is hot-swappable in supported routers, minimizing downtime during upgrades or replacements. When purchasing used, ensure that the ports are fully functional and that the card is free of damage for optimal performance.