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SL-44-UC-K9
Unified Commn. License (E-Delivery/Paper) for Cisco 4451 and...
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The SL-44-UC-K9 Cisco FirePOWER 4140/4150 Unified Communications (UC) License enables advanced VoIP and unified communications security on the Cisco FirePOWER 4100 Series Next-Generation Firewalls (NGFWs), including the FirePOWER 4140 and FirePOWER 4150 models. It ensures secure, reliable, and high-quality voice and video communication by providing deep inspection, policy enforcement, and real-time protection for collaboration traffic.
This license activates the UC-aware inspection engine within FirePOWER, enabling the system to analyze and secure protocols such as SIP, H.323, and RTP. It helps detect and prevent threats like toll fraud, spoofing, and signaling manipulation, while maintaining call quality through Quality of Service (QoS) prioritization. Administrators can monitor and manage communication flows to ensure secure and compliant voice, video, and messaging services.
Delivered through Electronic Software Delivery (ESD), the SL-44-UC-K9 license activates instantly via secure online registration. As an OEM perpetual license, it offers lifetime validity, full compatibility with Cisco software updates, and complete eligibility for SMARTnet and FirePOWER Management Center (FMC) support.
Ideal for enterprises, call centers, and communication service providers, this license provides the security, visibility, and reliability required to protect unified communications in real time.
The SL-44-UC-K9 license is specifically designed for the Cisco FirePOWER 4100 Series, delivering secure and reliable unified communication protection for enterprise collaboration environments.
Supported Hardware Models:
Supported Software & Environments:
The Cisco SL-44-UC-K9 License provides deep inspection, end-to-end visibility, and robust protection for unified communication systems, ensuring secure, high-quality, and uninterrupted collaboration across enterprise networks.
SL-44-UC-K9 price is $529.00, a 77.6% saving from the Cisco list price of $2,360.00. SL-44-UC-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SL-44-UC-K9 for additional pricing. Browse the full Cisco Isr 4000 Licenses series or explore all Cisco products.
A global manufacturer deploys Cisco 4451 and 4431 routers at 150 branch offices, applying the SL-44-UC-K9 Unified Communications License (E-Delivery/Paper) to enable integrated voice, video and messaging on a single platform. This consolidated UC architecture simplifies network management, reduces equipment footprint by 30%, and ensures consistent collaboration quality across all sites.
A financial services firm upgrades its customer support center with Cisco 4451 routers running the SL-44-UC-K9 Unified Communications License, integrating advanced call routing, agent services and real-time reporting. The solution delivers 99.99% uptime, accelerates call-handling capacity by 40%, and elevates customer satisfaction with seamless voice and video interactions.
A healthcare provider implements Cisco 4431 routers at home offices, licensing them with SL-44-UC-K9 Unified Communications (E-Delivery/Paper) to enable encrypted VoIP, voicemail and collaboration services over VPN. The deployment enforces HIPAA-compliant security, lowers long-distance calling costs by 50%, and boosts clinician productivity through always-on, secure voice channels.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| SL-44-UC-K9 |  L-SL-44-APP-K9 |  FL-4350-BOOST-K9 |  FL-4220-BOOST-K9 |  FL-4320-PERF-K9 | |
|---|---|---|---|---|---|
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Software Category | Collaboration | Network Management | Network Management | Network Management | Network Management |
| License Type | Perpetual | Perpetual | Perpetual | Perpetual | Perpetual |
| License Duration | Lifetime | Lifetime | Lifetime | Lifetime | Lifetime |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| Device Count | 1 Device | Unlimited | 1 Device | 1 Device | 1 Device |
| Delivery Method | License Certificate | Digital Key | Digital Key | Digital Key | Digital Key |
| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Language Support | English | Multilingual | English | English | English |
| Support Included | Vendor Support Required | Vendor Support Required | Vendor Support Required | Yes | Yes |
| Product Name | SL-44-UC-K9-Unified Commn. License (E-Delivery/Paper) for Cisco 4451 and 4431 | L-SL-44-APP-K9-APPX LICENSE 4431/4451 WITH WAAS/VWAAS 1300/2500 CONNS RTU | FL-4350-BOOST-K9-Booster Performance License for Cisco 4350 Series Routers | FL-4220-BOOST-K9-Booster Performance License for Cisco 4220 Series Routers | FL-4320-PERF-K9-FL-4320-PERF-K9 Increases the performance from base performance 50 Mbps to 100 Mbps |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Product Region | Global | Global | Global | Global | Global |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Unified Communication license enhances ISR 4400 series operations with smooth deployment and predictable performance.
Professional-grade usability and minimal setup complexity.
Stable enterprise-grade call management.
Reliable activation and seamless integration.
Easy management with strong connectivity performance.
The SL-44-UC-K9 license is a perpetual Unified Communications add-on for Cisco 4451 and 4431 routers, enabling advanced voice, video and collaboration features.
SL-44-UC-K9 is compatible exclusively with Cisco 4451 and 4431 Integrated Services Routers running IOS XE.
It activates voice over IP, video conferencing, Jabber integration, Cisco Unified Border Element and QoS for real-time communications.
Customers may choose electronic delivery (E-Delivery) via Cisco Smart Software Manager or request a traditional paper license certificate.
Register your router’s Smart Account, assign the license SKU in Cisco Software Manager, then sync the device to automatically provision the license.
This is a perpetual license with no expiration date; it remains valid for the life of the hardware platform.
Yes, you can reassign the perpetual license to another compatible 4431 or 4451 router via your Cisco Smart Account.
Since it’s perpetual, no renewal is required; upgrades to higher feature sets may require additional SKUs or software subscriptions.
Software updates and technical support require a separate Cisco Software Support Service (SWSS) contract.
Use the CLI command show license status or show platform hardware qfp active feature to confirm Unified Communications features.
End-of-sale and support dates are published on Cisco’s official EoS/EoL portal; check regularly for lifecycle updates.
E-Delivery allows instant provisioning through Cisco Smart Software Manager, reducing lead times compared to paper licenses.
The paper license is a printed certificate with license authorization key, activation instructions and Smart Account details.
No extra hardware is required; the license leverages existing router resources to enable Unified Communications.
Yes, you can combine license types in a single Smart Account, but each license must be assigned uniquely to avoid conflicts.
Contact Cisco TAC with your Smart Account details and license authorization key for prioritized support.
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