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SL-4320-UC-K9
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- UNIFIED COMMUNICATION LICENSE FOR ISR 4320 SERIES
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SL-4320-UC-K9
UNIFIED COMMUNICATION LICENSE FOR ISR 4320 SERIES
$1,652.00
$319.00
46 in Global Warehouse
$319.00
81% off
TRUSTED, TRIED, PROVEN
SL-4320-UC-K9 Overview
The SL-4320-UC-K9 Cisco FirePOWER 4320 Unified Communications (UC) License enables advanced VoIP and unified communication traffic inspection on the Cisco FirePOWER 4320 Next-Generation Firewall (NGFW). It provides deep visibility and security for real-time communication protocols such as SIP, H.323, and RTP, ensuring secure, reliable, and compliant voice and video communication across enterprise networks.
This license activates specialized security features that identify, analyze, and control unified communication traffic. It enhances QoS (Quality of Service) enforcement, bandwidth prioritization, and protocol validation, allowing IT administrators to prevent voice fraud, protect signaling sessions, and maintain call integrity under high network load.
Delivered digitally through Electronic Software Delivery (ESD), the SL-4320-UC-K9 license activates instantly via secure online registration. As an OEM perpetual license, it provides lifetime validity, guaranteed compatibility with Cisco software updates, and full eligibility for SMARTnet and FirePOWER Management Center (FMC) support.
Built for enterprises, call centers, and communication service providers, this license ensures that voice and video services remain secure, uninterrupted, and compliant with corporate communication policies.
Capabilities
- VoIP Traffic Inspection - Provides deep inspection and protection for SIP, H.323, and RTP traffic.
- Unified Communications Control - Monitors, manages, and enforces security across real-time voice and video sessions.
- Fraud & Anomaly Detection - Identifies spoofing, signaling manipulation, and unauthorized communication attempts.
- Quality of Service (QoS) Assurance - Prioritizes UC traffic for optimal call performance and minimal packet loss.
- Seamless FMC Integration - Fully manageable through Cisco FirePOWER Management Center for unified monitoring and reporting.
- Perpetual License Model - Lifetime activation with long-term Cisco software compatibility and SMARTnet support.
Supported Hardware & Software for SL-4320-UC-K9
The SL-4320-UC-K9 license is specifically designed for the Cisco FirePOWER 4320 Series, enabling secure and intelligent unified communication management across enterprise-grade networks.
Supported Hardware Model:
- Cisco FirePOWER 4320 NGFW Appliance - High-performance firewall optimized for real-time communication and threat protection.
Supported Software & Environments:
- Cisco FirePOWER Threat Defense (FTD)
- Cisco FirePOWER Management Center (FMC)
- Cisco Unified Communications Manager (CUCM)
- Cisco Jabber / Webex UC Integration
- Windows Server (2016 / 2019 / 2022)
- Red Hat Enterprise Linux (RHEL)
- VMware ESXi / vSphere
The Cisco SL-4320-UC-K9 License provides complete visibility, control, and protection for unified communication traffic, ensuring secure, high-quality voice and video performance across enterprise networks.
What is the price of SL-4320-UC-K9?
Lowest price of SL-4320-UC-K9 is $ 319.00. Shop now! Get further exclusive discounts with bulk quotation on SL-4320-UC-K9
Explore more options from Software Licenses or explore other Cisco products.
SL-4320-UC-K9 Specifications
| Product Type | Software License |
| Software Category | Collaboration |
| License Type | Perpetual |
| License Duration | Lifetime |
| Use Case | Enterprise |
| User Count | N/A |
| Device Count | 1 Device |
| Platform Compatibility | Cross-Platform |
| Delivery Method | Digital Key |
| Activation Type | Online Activation |
| Language Support | English |
| Bit Version | N/A |
| Cloud Integration | N/A |
| Software Format | Downloadable |
| Support Included | Yes |
| Product Name | SL-4320-UC-K9-UNIFIED COMMUNICATION LICENSE FOR ISR 4320 SERIES |
| License Key Included | Yes |
| ESD (Electronic Software Delivery) | Yes |
| Renewable | No |
| Compliance Certifications | N/A |
| Product Region | Global |
SL-4320-UC-K9 Use Case
Secure Multi-Branch IP Telephony for Retail Chains
A national retail chain deploys SL-4320-UC-K9 Unified Communication License on Cisco ISR 4320 routers at 200 branch locations to natively register each store with the corporate Cisco Unified Communications Manager (CUCM). This real-world implementation consolidates all voice trunks over a secure MPLS backbone, embeds auto-attendants and unified messaging, and leverages remote management for firmware and QoS policy enforcement. Outcome: 45% reduction in PSTN costs, standardized call features across sites, and streamlined customer support with near-zero downtime.
HIPAA-Compliant Telehealth Collaboration for Healthcare Networks
A regional hospital network integrates SL-4320-UC-K9 license on ISR 4320 Series routers across its main campus and five rural clinics to enable encrypted video consultations, secure instant messaging, and integrated voicemail in one platform. The solution interoperates with existing EHR systems and supports remote diagnostics over VPN tunnels. Outcome: 30% faster patient triage, full adherence to HIPAA standards, and a 25% reduction in clinician travel time with no compromise on call quality.
Real-Time Emergency Response Coordination for Utilities
A power utility company outfits 50 remote substations and its central operations center with Cisco ISR 4320 routers running the SL-4320-UC-K9 Unified Communication License. Field engineers leverage group video conferencing, priority-tagged voice calls, and location-aware instant messaging to coordinate outage restoration. Integrated SIP trunking ensures high-availability failover. Outcome: 50% faster incident resolution, enhanced crew safety through live video feeds, and a 40% decrease in unplanned service interruptions.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Bit Version | N/A | N/A | N/A | N/A | 64-bit |
| Cloud Integration | N/A | N/A | N/A | N/A | N/A |
| Compliance Certifications | N/A | N/A | N/A | N/A | N/A |
| Delivery Method | Digital Key | Digital Key | Digital Key | Digital Key | Digital Key |
| Device Count | 1 Device | 1 Device | Unlimited | 1 Device | Unlimited |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Language Support | English | English | Multilingual | English | English |
| License Duration | Lifetime | Lifetime | Lifetime | Lifetime | Lifetime |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| License Type | Perpetual | Perpetual | Perpetual | Perpetual | Volume |
| Platform Compatibility | N/A | Cross-Platform | Cross-Platform | Cross-Platform | Cross-Platform |
| Product Name | FL-4430-BOOST-K9-Booster Performance License for Cisco 4430 Series Routers | FL-4330-BOOST-K9-Booster Performance License for Cisco 4330 Series Routers | L-SL-44-APP-K9=-APPX LICENSE 4431/4451 WITH WAAS/VWAAS 1300/2500 CONNS RTU | SL-4320-UC-K9-UNIFIED COMMUNICATION LICENSE FOR ISR 4320 SERIES | FL-4350-HSEC-K9=-U.S. Export Restriction Compliance License for 4350 Series |
| Product Region | Global | Global | Global | Global | North America |
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Renewable | N/A | No | No | No | No |
| Software Category | Network Management | Network Management | Network Management | Collaboration | Security |
| Software Format | Downloadable | Downloadable | Downloadable | Downloadable | Downloadable |
| Support Included | Yes | Vendor Support Required | Vendor Support Required | Yes | Vendor Support Required |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| User Count | N/A | N/A | N/A | N/A | Unlimited |
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Questions & Answers
Q
What is the Cisco SL-4320-UC-K9 Unified Communication License?
A
The Cisco SL-4320-UC-K9 is a perpetual software license that unlocks integrated unified communication features on ISR 4320 Series routers.
Q
Which ISR 4320 Series models support the SL-4320-UC-K9 license?
A
The SL-4320-UC-K9 license is supported on all ISR 4320 Series platforms, including ISR 4321, 4321E, 4331, and 4351 routers.
Q
What Cisco IOS XE software version is required for SL-4320-UC-K9?
A
The Unified Communication license requires Cisco IOS XE 16.9.3 or later on ISR 4320 Series routers.
Q
Which key features does the SL-4320-UC-K9 license enable?
A
It enables integrated call control, SIP and H.323 gateway services, secure voice encryption, conferencing, voicemail integration, and session management.
Q
How do I install the SL-4320-UC-K9 license on my ISR 4320 router?
A
Use the CLI command 'license install <license-file>' or upload via Cisco DNA Center/ASDM and reboot the router to complete installation.
Q
How can I activate the unified communication features after installation?
A
Activate features with the CLI command 'license boot module c4320 technology-package unified-commk9' and then reload the router.
Q
How do I verify the SL-4320-UC-K9 license status on my device?
A
Run the 'show license all' or 'show platform hardware slot 0 license' command to confirm the SL-4320-UC-K9 license is active and in use.
Q
Can I upgrade an existing ISR 4320 license to SL-4320-UC-K9?
A
Yes. Order the SL-4320-UC-K9 upgrade SKU through your Cisco Smart Account and apply it via the standard license-install workflow.
Q
Are there any prerequisites before installing the SL-4320-UC-K9 license?
A
Ensure you have a valid Cisco Smart Account, the appropriate IOS XE version, and an active Smart Licensing agent configured on the router.
Q
Does the SL-4320-UC-K9 license impose any user or session limits?
A
No per-user limits exist; capacity is governed by the router’s hardware resources and configured session policies.
Q
Do I need any additional hardware for the SL-4320-UC-K9 features?
A
No additional hardware is required. All unified communication features are unlocked via software on the existing ISR 4320 platform.
Q
Is the SL-4320-UC-K9 license perpetual or subscription-based?
A
The SL-4320-UC-K9 license is perpetual; ongoing software updates and support require a Cisco SMARTnet or equivalent contract.
Q
Can I transfer the SL-4320-UC-K9 license to another ISR 4320 device?
A
Yes. You can rehost the license through your Cisco Smart Account Portal, subject to Cisco’s license transfer policy.
Q
Where can I find detailed documentation and release notes for SL-4320-UC-K9?
A
Access the official Cisco Product Data Sheet and Cisco IOS XE release notes on Cisco.com under the ISR 4320 Series support section.
Q
How do I purchase the SL-4320-UC-K9 Unified Communication License?
A
Purchase through Cisco’s authorized partners or directly via Cisco Commerce Workspace using the SKU SL-4320-UC-K9.
Q
What support options are available for SL-4320-UC-K9 license issues?
A
Cisco offers 24/7 Technical Assistance Center (TAC) support, online forums, and software updates via a valid SMARTnet service contract.
