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FACTORY DIRECT ONLY ITEM Cisco Twoport Voice Interface Card FXO (Universal) . FXO port is used to connect to PBX or key system, or to provide offpremises connections to PSTN or PTT. An FXO interface supports battery reversal detection and caller ID. These Cisco VICs can be software configured to work in all countries. It is also used to connect to analog CAMA trunk to provide dedicated E911 service.
Cisco FXO (Universal) Voice Interface Card (VIC),VIC2-2FXO=,746320823324,Cisco Device,Device,Networking,Cisco Systems, Inc