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Cisco

Cisco VIC-2FXO | 2x FXO analog trunk ports (RJ-11) | PSTN/PBX line interface | Caller ID detect, fax pass-through | VIC form factor

SKU:VIC-2FXO

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Description

Add two FXO analog trunk ports to a compatible voice-enabled router to integrate PSTN central office lines or PBX analog trunks with your VoIP dial plan. RJ-11 interfaces support caller ID detection and standard supervisory signaling, with G.711 fax pass-through and platform-dependent relay features. Suited for legacy integration and analog backup scenarios.

Features

- Two-port analog trunk interface for PSTN/PBX connectivity
- Caller ID detection for inbound call routing
- Standards-based supervisory signaling for reliable call control
- Fax pass-through for legacy devices
- Cost-effective analog backup for branch sites

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: When should I choose FXO over FXS?
A: Choose FXO to connect to the PSTN or PBX analog trunks. Choose FXS to connect analog endpoints like phones or fax machines.

Q: Does this card support caller ID?
A: Yes, it supports FSK caller ID detection where the region, IOS, and provider signaling are compatible.

Q: Are DSPs required?
A: DSP resources are required for many voice features including echo cancellation and any available fax relay.

Q: Is special licensing needed?
A: A voice feature set on the router’s IOS is typically required; check your platform’s software.

Q: Can it be mixed with newer VIC2/VIC3 modules?
A: Mixing generations depends on chassis and slot compatibility; verify the router’s hardware guide and slot types.

Technical Specifications

- Interface type: Voice Interface Card (VIC, first-generation)
- Ports: 2x FXO analog trunk ports
- Connectors: RJ-11
- Use cases: connect to PSTN CO lines or PBX analog trunks
- Signaling: loop-start (ground-start support varies by platform/IOS)
- Caller ID: FSK detection (region dependent)
- Fax: G.711 pass-through; relay features platform/IOS dependent
- Echo cancellation: requires DSP resources on host router
- Power: supplied by router; FXO does not generate ring voltage
- Compatibility: routers supporting first-generation VIC slots (verify platform/IOS)

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