Description
The Cisco SM-X-16FXS/2FXO is a Service Module designed for Cisco Integrated Services Routers. 1 It provides 16 Foreign Exchange Station (FXS) ports for analog phone connections and 2 Foreign Exchange Office (FXO) ports for connecting to the public switched telephone network (PSTN). 2 This module enables the integration of traditional analog telephony into a Cisco IP telephony system. It’s useful for businesses transitioning to VoIP or needing to maintain analog lines.
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