VIC2-4FXO Cisco 4-Port FXO Voice Interface Module

The Cisco VIC2-4FXO is a 4-Port FXO (Foreign Exchange Office) Voice Interface Card, designed to connect analog telephone lines to Cisco voice-enabled routers, bridging the public switched telephone network (PSTN) with modern VoIP/IP telephony systems. Featuring four universal RJ-11 FXO ports that are software-configurable for use in any country, this card supports CAMA (Centralized Automatic Message Accounting) signaling for emergency call systems such as E911, making it well-suited for hybrid voice deployments, branch offices, and legacy PBX integration.

Related Products

 
 

Key Features & Benefits

  • 4-Port Universal FXO Connectivity: Provides four RJ-11 FXO ports, each capable of connecting to analog telephone lines from the local carrier or PBX/key systems, software-configurable for all regions.
  • CAMA Signaling Support: Supports Centralized Automatic Message Accounting (CAMA) signaling, enabling compatibility with emergency service networks such as E911 in North America.
  • Broad Router Platform Compatibility: Compatible with Cisco 2600XM, 2691, 2800, 2900, 3600, 3700, 3800, and 3900 Series router platforms (requires appropriate network module such as NM-HD-1V/2V/2VE or NM-HDV2, or slot-based installation depending on chassis).
  • Legacy-to-IP Voice Bridging: Enables seamless integration of traditional analog telephony with modern VoIP systems, ideal for businesses transitioning from legacy telephony to IP-based communications.
  • High Call Quality Features: Supports echo cancellation, call progress detection, and caller ID, ensuring reliable, high-quality voice transmission over analog lines.
  • Loop-Start and Ground-Start Configuration: Includes jumper headers for configuring loop-start (default) or ground-start signaling mode per port, ensuring compatibility with various central office switch types.

Technical Specifications

Attribute Details
Model / Part Number VIC2-4FXO
Related Part Number VIC2-4FXO-RF (Remanufactured), VIC2-4FXO=
Component Type Voice Interface Card (VIC)
Ports 4 (FXO, Universal)
Connector RJ-11
Signaling Support Loop-Start, Ground-Start, CAMA
Required Network Modules NM-HD-1V, NM-HD-2V, NM-HD-2VE, NM-HDV2 (chassis-dependent)
Compatible Platforms Cisco 2600XM, 2691, 2800, 2900, 3600, 3700, 3800, 3900 Series ISR routers

 

  • toolbar
    Back to TOP
  • toolbar
    Contact Us