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Cisco

Cisco ISR4431-V/K9 | Enterprise branch router | 4x1GbE, 3xNIM | SD-WAN ready, LTE-ready (modular) | UC bundle: PVDM4-64, CME/SRST | IOS XE

Cisco ISR4431-V/K9 | Enterprise branch router | 4x1GbE, 3xNIM | SD-WAN ready, LTE-ready (modular) | UC bundle: PVDM4-64, CME/SRST | IOS XE

SKU:ISR4431-V/K9

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Description

A voice-enabled branch platform built for converged routing and Unified Communications. Ships with PVDM4-64 DSP resources and UC licensing for CME/SRST to support conferencing, transcoding, and survivable branch telephony. Three NIM slots provide modular WAN, voice (FXS/FXO/T1/E1), or LTE expansion. SD-WAN capable on IOS XE; cellular available via add-on NIMs.

Features

- Integrated UC with PVDM4-64 DSP resources
- SD-WAN readiness for policy-based WAN and application-aware routing
- Modular design with 3 NIM slots for WAN, voice, or LTE
- IOS XE for modern programmability and security
- Survivable branch telephony (SRST) and CME support

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: Does this unit include analog or digital voice ports?
A: No integrated voice ports are included; add the appropriate FXS/FXO or T1/E1 NIMs as needed.

Q: Is SD-WAN supported out of the box?
A: The platform is SD-WAN capable on IOS XE; feature activation requires appropriate DNA subscriptions and configuration.

Q: Is LTE built in?
A: No. LTE connectivity is available via an optional LTE NIM module.

Q: Can this router run CUBE for SIP trunking?
A: Yes, the platform supports CUBE; a CUBE license is required and sold separately for this UC bundle.

Technical Specifications

- Fixed interfaces: 4 x 10/100/1000 Mbps Ethernet
- Expansion: 3 x NIM slots (WAN/voice/LTE modules)
- PVDM4: 64-channel DSP module included (PVDM4-64)
- UC features: CME/SRST capable (license included)
- SD-WAN: Supported on IOS XE
- LTE: Supported via modular NIM (not included)
- Operating system: IOS XE
- Form factor: 1RU rack-mountable

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