Cisco VIC-4FXO | FXO Voice Interface Card

1. Interface Type: FXO
2. Number of Ports: 4
3. Compatibility: Cisco 2600XM, 2691, 2811, 2821, 2851, 3660, 3725, 3745, 3800, 3825, 3845, VG200
4. Protocol Support: SCCP, SIP, H.323
5. Caller ID Support: FSK, ETSI, and Bellcore
6. Ring Frequency: 20-30 Hz
7. Loop Start Signaling Support: Yes
8. Ground Start Signaling Support: Yes
9. Battery Reversal Detection: Yes
10. Echo Cancellation: Yes
11. Maximum Operating Temperature: 104°F (40°C)
12. Minimum Operating Temperature: 32°F (0°C)

Helpful Notes:
1. The VIC-4FXO card is a cost-effective solution for connecting analog phone lines to Cisco voice-enabled routers and switches.
2. The card supports both loop start and ground start signaling, making it compatible with a wide range of telephone systems.
3. With its echo cancellation feature, the VIC-4FXO card provides clear and high-quality voice communication.