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This 2-port FXO voice/fax interface card (universal card for all countries) also supports analog Centralized Automated Message Accounting (CAMA) on any port. The FXO port is used to connect to a PBX or key system, or to provide off-premises connections to PSTN or PTT. This card supports battery reversal detection and caller ID. Cisco VICs can be software configured to work in all countries. This card can also be used to connect to an analog CAMA trunk to provide dedicated E-911 service (North America only).
Cisco IP Communications voice/fax network modules support either one or two Cisco voice interface cards (VICs) or Cisco voice/WAN interface cards (VWICs) and install into network module slots for the Cisco 2600XM Series, Cisco 2691, and Cisco 3600 and 3700 series voice gateway routers. Cisco VICs are daughter cards that install into the network modules and provide the interface to the PSTN and to telephony equipment (PBX, key systems, fax machines, phones).
VICs include 2-port foreign exchange station (FXS), direct inward dial (DID), foreign exchange office (FXO), and E&M analog interface cards. Also available are 4-port FXS and 4-port FXO cards and a 2-port ISDN Basic Rate Interface (BRI) digital interface card providing --40V phantom power. These cards cover the entire range of analog connectivity options along with user-side and network-side digital BRI connections.