Cisco SM-X-24FXS/4FXO Service Module
The Cisco SM-X-24FXS/4FXO Service Module is a high-density voice interface solution designed for enterprise communication and unified voice deployments. Featuring 24 FXS ports and 4 FXO ports in a single-wide module form factor, this Cisco SM-X Series module enables reliable analog voice connectivity, PSTN integration, and scalable telephony services for branch and enterprise networks.