Cisco

Cisco VIC3-2FXS-DID | 2x FXS/DID analog ports (RJ-11) | Caller ID, T.38 fax (IOS/DSP dep.) | Echo cancel | VIC3 form factor

SKU:VIC3-2FXS-DID

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Description

Add two FXS/DID analog ports to a compatible voice gateway router for connecting analog phones, fax machines, or DID trunks. Provides RJ-11 interfaces with battery feed and ring generation, caller ID support, and T.38 fax relay or G.711 pass-through (IOS/DSP dependent). The VIC3 hardware generation enhances echo and clocking performance for dependable branch telephony.

Features

- Compact two-port FXS/DID for small sites or test labs
- Analog endpoint power and ringing via FXS
- DID support for direct inward dial analog trunks
- Caller ID and supervisory signaling for PSTN/PBX compatibility
- VIC3 platform with enhanced echo and timing

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 use an FXS/DID card?
A: Use FXS to connect analog endpoints (phones/fax). Use DID when receiving direct inward dial analog trunks from a provider or PBX.

Q: Are DSPs required?
A: Yes, most voice features and T.38 fax relay require DSP resources on the router.

Q: Does it support caller ID?
A: Yes, FSK caller ID is supported, subject to IOS, region, and configuration.

Q: What IOS/feature set is needed?
A: A voice-enabled IOS image is typically required for FXS/DID and fax features; check your router’s software.

Q: Can it coexist with digital voice modules?
A: Yes, it can be used alongside other VIC/VWIC modules as long as slot and DSP resources are available.

Technical Specifications

- Interface type: Voice Interface Card (VIC3)
- Ports: 2x FXS/DID analog ports
- Connectors: RJ-11
- FXS features: Battery feed, ring generation, supervision
- DID signaling: immediate/wink start (gateway/IOS dependent)
- Caller ID: FSK CLIP support (region dependent)
- Fax support: T.38 relay and G.711 pass-through (IOS/DSP dependent)
- Echo cancellation: ITU-T G.168 class (DSP dependent)
- Use cases: analog phones, fax, DID trunks
- Power: supplied by host router
- Compatibility: select routers supporting VIC3 slots (verify platform/IOS)

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