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ProductsCisco SL-4320-UC-K9 License | ISR 4320 Unified Communications License
SL-4320-UC-K9
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Cisco SL-4320-UC-K9 License | ISR 4320 Unified Communications License

Buy Cisco SL-4320-UC-K9 license for ISR 4320 routers. Enable VoIP, voice, and unified communications with fast delivery.

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Cisco SL-4320-UC-K9 License | Unified Communications License for ISR 4320

Enable Voice & Collaboration on Cisco ISR 4320 Routers

The Cisco SL-4320-UC-K9 Software License is a unified communications license designed for the Cisco ISR 4320, enabling voice, video, and collaboration capabilities in enterprise branch networks.
It allows organizations to integrate routing, security, and communication services into a single platform, simplifying network architecture and reducing infrastructure costs.


Why Choose SL-4320-UC-K9

For enterprises building modern communication systems:
✔ Enable VoIP and voice gateway functionality ✔ Support unified communications (UC) architecture ✔ Reduce need for separate voice hardware ✔ Improve collaboration across branch offices ✔ Simplify network infrastructure


Key Features

  • Unified Communications (UC) feature enablement
  • VoIP and voice gateway support
  • Video and collaboration capabilities
  • Integration with Cisco collaboration ecosystem
  • Centralized communication services on ISR platform


Technical Specifications

Parameter
Details
Product Model
Cisco SL-4320-UC-K9
License Type
Software License (Perpetual)
Applicable Devices
Cisco ISR 4320
Function
Unified Communications Enablement
Delivery
Electronic License (ESD / PAK)
Deployment
Enterprise Branch / WAN


SL-4320-UC-K9 vs Other ISR 4000 Licenses

Feature
UC-K9
SEC-K9
APP-K9
Core Function
Voice / UC
Security
Application Services
VoIP Support
✔
—
—
VPN Support
—
✔
—
App Optimization
—
—
✔
Best Use Case
Unified Communications
Secure WAN
Application Visibility
👉 How to choose?
  • Choose UC-K9 → For voice, VoIP, and collaboration
  • Choose SEC-K9 → For VPN and security
  • Choose APP-K9 → For application optimization


Typical Applications

  • Enterprise branch VoIP deployments
  • Unified communications (UC) environments
  • Voice gateway replacement
  • Remote office collaboration
  • Integrated WAN + voice architecture


Procurement Reference

  • Delivery format: Electronic License (ESD) or PAK
  • License type: Perpetual, tied to device (UDI required)
  • Compatibility: Specifically for Cisco ISR 4320
  • Lifecycle: May be in mature/EOL stage but still widely deployed


Why Buy from Sate Optics

We help customers simplify procurement and reduce cost:
✔ Competitive pricing ✔ Fast global delivery ✔ Reliable sourcing channels ✔ Professional technical support ✔ Flexible supply for projects


FAQ

Q1: What is Cisco SL-4320-UC-K9 used for? A: It enables voice, video, and unified communications features on Cisco ISR 4320 routers.

Q2: Is this a perpetual license? A: Yes, it is typically a perpetual software license.

Q3: Does this license include security features? A: No, security features require a separate SEC-K9 license.


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Cisco SL-4320-UC-K9, ISR 4320 UC license, Cisco VoIP license, Cisco unified communications license, ISR4000 license