Cisco VIC2-4FXO Voice Interface Card

Cisco VIC2-4FXO Voice Interface Card:

The Cisco VIC2-4FXO is a Voice Interface Card (VIC) designed for Cisco Integrated Services Routers (ISRs). Every parts of Cisco VIC2-4FXO mean; VIC = Voice Interface Card, FXO = Foreign Exchange Office (a type of analog voice port) and 4FXO = 4 FXO ports on the card. It allows a router to connect to the Public Switched Telephone Network (PSTN) using analog phone lines (like traditional copper telephone lines from your phone company). This Card module is used for voice over IP (VoIP) applications. You can order it in network equipment market.

As we said, the Cisco VIC2-4FXO Voice Interface Card is a modular component designed for use with Cisco ISR routers, enabling integration between traditional analog telephone lines and IP-based voice networks. It plays a crucial role in hybrid voice environments, where businesses want to leverage both VoIP technology and existing analog infrastructure without fully migrating to IP telephony.

The VIC2-4FXO is often used to provide backup voice connectivity in case of WAN or VoIP failures, ensuring business continuity. It also allows features like Direct Inward Dialing (DID) and outbound calling over local analog lines, which can help reduce toll charges. With seamless integration into Cisco Unified Communications systems, this card supports flexible call routing and enables a smoother transition to full IP voice networks at a pace that matches the organization’s needs and budget.

• Interfaces/Ports: 4 x FXO WAN
• Interfaces/Ports Details: 4 x RJ-11 FXO WAN
• Additional Information: Loop Start Support, Voice & Fax Integration, Supports CAMA with software configuration, This Module Support Ground Start, This Cisco Card Module Supports Battery Reversal and Caller ID

Features of Cisco VIC2-4FXO Voice Interface Card:

• 4 FXO ports: Connect up to four analog phone lines from the PSTN.
• Used for voice communication in small to medium branch offices.
• Integrates VoIP with traditional telephony, enabling call routing between analog and digital systems.

Typical uses of Cisco VIC2-4FXO Voice Interface Card:

• Connects a VoIP network to regular telephone lines for inbound and outbound calls.
• Provides PSTN fallback if the VoIP link fails.
• Lets businesses use their existing analog lines while transitioning to VoIP.

Benefits of Cisco VIC2-4FXO Voice Interface Card:

• Among the benefits of the Cisco VIC2-4FXO module card:
• Four FXO ports
• Access control with high security
• Integration of voice and fax
• FSK/DTMF signaling mode
• Compatible with NH-HDV2-2T1/E1
• A suitable solution for Internet telephony services and IP addresses for voice and data transmission
• High density high-quality digital voice
• High density digital video connection

FXO vs FXS (for clarity):

• FXO port (like on VIC2-4FXO): Connects to the phone company’s line (receives dial tone).
• FXS port: Connects to a phone or fax machine (provides dial tone).

Other Recommended:

Cisco C3KX-NM-10G Module

Cisco C9300-NM-4M Card Module