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FL-GK-3945
Cisco 3900 License FL-GK-3945 Gatekeeper Feature License -39...
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
FL-GK-3945-Cisco 3900 License FL-GK-3945 Gatekeeper Feature License -3945 platform provides an advanced network management solution designed specifically for Cisco 3900 series devices. This license is categorized under network management software and delivers specialized gatekeeper functionalities, ensuring secure and efficient traffic control and IT management for mission-critical environments.
The license is offered as a perpetual OEM solution with a lifetime duration, delivered via a digital key and activated through an online process. It is designed for enterprise use on a single device while supporting cross-platform management, making it ideal for IT administrators in SMBs, education, and large-scale enterprises.
FL-GK-3945 price is $7,261.00, a 36.9% saving from the Cisco list price of $11,500.00. FL-GK-3945 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for FL-GK-3945 for additional pricing. Browse the full Cisco Router Ios License series or explore all Cisco products.
Scenario: A global retailer with 100 branches uses the FL-GK-3945-Cisco 3900 License FL-GK-3945 Gatekeeper Feature License -3945 platform to centralize Call Admission Control (CAC) across MPLS and Internet WAN links. The gatekeeper enforces per-site call thresholds and dynamically reroutes sessions when bandwidth limits are reached. Benefit: Delivers consistent voice quality, prevents link saturation, and reduces WAN upgrade costs by up to 25%.
Scenario: A financial services firm integrates Cisco Unified Communications Manager with the FL-GK-3945-Cisco 3900 License FL-GK-3945 Gatekeeper Feature License -3945 platform to enable dynamic E.164-to-SIP URI translations and intelligent rerouting based on real-time network metrics. The gatekeeper auto-discovers registered gateways, applies least-cost routing, and provides seamless failover. Benefit: Accelerates call setup by 40%, lowers PSTN-trunk expenses, and ensures high availability for mission-critical voice traffic.
Scenario: A healthcare network with multiple clinics implements the FL-GK-3945-Cisco 3900 License FL-GK-3945 Gatekeeper Feature License -3945 platform to authenticate and authorize SIP trunk registrations at each site. The gatekeeper enforces TLS/SRTP encryption policies and logs registration events for HIPAA compliance audits. Benefit: Strengthens call-signaling security, simplifies certificate management, and provides an auditable trail to meet regulatory requirements.
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| FL-GK-3945 |  L-SL-39-UC-K9 |  FL-29-SNA |  SL-ES3G-16-IPS |  L-FL-39E-HSEC-K9 | |
|---|---|---|---|---|---|
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Software Category | Network Management | Collaboration | Network Management | Network Management | Security |
| License Type | Perpetual | Volume | OEM | Perpetual | Perpetual |
| License Duration | Lifetime | Lifetime | Lifetime | Lifetime | Lifetime |
| Use Case | Enterprise | Enterprise | IT Admin | IT Admin | Enterprise |
| Delivery Method | Digital Key | Digital Key | Email Delivery | Digital Key | Digital Key |
| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Language Support | English | English | English | English | English |
| Support Included | Vendor Support Required | Vendor Support Required | Vendor Support Required | Vendor Support Required | Yes |
| Product Name | FL-GK-3945-Cisco 3900 License FL-GK-3945 Gatekeeper Feature License -3945 platform | L-SL-39-UC-K9-UNIFIED COMM E-DELIVERY PK FOR CISCO 3900 SERIES | FL-29-SNA-Cisco 2900 License FL-29-SNA SNA Feature License for Cisco 2901-2951 | SL-ES3G-16-IPS-SL-ES3G-16-IPS IP Services License Upgrade 16 Port GE ES3 EtherSwitch | L-FL-39E-HSEC-K9-US EXPORT RESTRICTION COMPLIANCE LICENSE FOR 3900E SERIES |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Product Region | Global | Global | Global | Global | North America |
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.
Gatekeeper license enabled call control features reliably.
Straightforward activation on 3945 platform.
Stable voice feature performance.
Worked well in UC deployments.
Good addition for voice environments.
The FL-GK-3945 is a Cisco 3900 Series Gatekeeper Feature License that enables advanced call admission control and policy management for VoIP deployments on 3900 platforms.
The FL-GK-3945 license is supported on all Cisco 3900 Series ISR Generation 2 routers including ISR 3925, 3945, and 3925E, ensuring consistent feature parity across the product line.
It delivers centralized call routing, dynamic bandwidth allocation, endpoint admission control, and protocol translation between H.323 and SIP for secure, scalable voice networks.
Use Cisco IOS CLI: 1. Copy the license file to flash: copy tftp flash. 2. Apply the license: license install flash:FL-GK-3945. 3. Reload to activate.
Issue the command `license boot module c3900 technology-package gatekeeper` in global configuration mode and reload the router to enable the feature.
Run `show license status` or `show license detail` in the CLI; the output will confirm installation, feature state, and expiration information.
Your router must run Cisco IOS XE 16.6.x or higher with valid IP Base and Security or Unified Communications licenses already installed.
Yes. Simply purchase the FL-GK-3945 license and install it; the system automatically replaces the evaluation entitlement without service interruption.
It is a perpetual feature license activated per router platform. Maintenance and support are offered separately through Cisco SMARTnet or authorized resellers.
Renew via your Cisco account or authorized partner by ordering a SMARTnet contract linked to the original FL-GK-3945 SKU before the maintenance expiry date.
Technical support is available through Cisco SMARTnet, which must be purchased separately to access software updates, 24/7 TAC, and RMA services.
Large-scale VoIP networks requiring centralized policy control, bandwidth reservation, H.323-to-SIP interworking, and dynamic call admission leverage this license.
By enforcing admission control and dynamic bandwidth allocation, it prevents oversubscription, reduces call setup delays, and ensures consistent voice quality.
Purchase through Cisco’s e-commerce portal, authorized partners, or directly via Cisco sales representatives using SKU FL-GK-3945.
FL-GK-3945 focuses on gatekeeper functionality for call policy and admission control, whereas Unified Communications licenses cover broader telephony, video, and collaboration features.
Yes. Remove the license with `license clear` commands, then install the same entitlements on the target router following the standard installation procedure.
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