United States$5,000,000+
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C
Caleb Morris
4
Gatekeeper license enabled call control features reliably.
FL-GK-3945
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Cisco 3900 License FL-GK-3945 Gatekeeper Feature License -39...
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FL-GK-3945
- Description:
- Cisco 3900 License FL-GK-3945 Gatekeeper Feature License -3945 platform
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- Brand:
- Cisco
- GTIN:
- 818249735450
- Condition:
- Warranty:
- 3
- List Price:
$11,500.00
- Price:
$7,261.0036.9% off
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FL-GK-3945 Overview
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.
FL-GK-3945 Specifications
- Product Type
- Software License
- Software Category
- Network Management
- 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
- N/A
- Support Included
- Vendor Support Required
- Product Name
- FL-GK-3945-Cisco 3900 License FL-GK-3945 Gatekeeper Feature License -3945 platform
- License Key Included
- Yes
- ESD (Electronic Software Delivery)
- Yes
- Renewable
- No
- Compliance Certifications
- N/A
- Product Region
- Global
FL-GK-3945 Use Case
Centralized Call Admission Control for Multi-Branch Enterprise
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%.
Dynamic Dial-Plan Routing for Unified Communications
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.
Secure Inter-Site Voice Connectivity with Authentication and Compliance
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| FL-GK-3945 |  L-SL-39-UC-K9= |  FL-29-SNA= |  SL-ES3G-16-IPS |  L-FL-39E-HSEC-K9= | |
|---|---|---|---|---|---|
| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Bit Version | N/A | N/A | N/A | N/A | N/A |
| 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 | Email Delivery | Digital Key | Digital Key |
| Device Count | 1 Device | 1 Device | N/A | N/A | N/A |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Language Support | English | English | English | English | English |
| License Duration | Lifetime | Lifetime | Lifetime | Lifetime | Lifetime |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| License Type | Perpetual | Volume | OEM | Perpetual | Perpetual |
| Platform Compatibility | Cross-Platform | Cross-Platform | N/A | Web-Based | N/A |
| 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 |
| Product Region | Global | Global | Global | Global | North America |
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Renewable | No | N/A | N/A | No | No |
| Software Category | Network Management | Collaboration | Network Management | Network Management | Security |
| Software Format | N/A | Downloadable | Downloadable | Downloadable | N/A |
| Support Included | Vendor Support Required | Vendor Support Required | Vendor Support Required | Vendor Support Required | Yes |
| Use Case | Enterprise | Enterprise | IT Admin | IT Admin | Enterprise |
| User Count | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
N
Noreen Fatima
4
Straightforward activation on 3945 platform.
L
Luca Ferraro
4
Stable voice feature performance.
A
Adnan Qazi
5
Worked well in UC deployments.
M
Megan OBrien
5
Good addition for voice environments.
Questions & Answers
What is the Cisco 3900 License FL-GK-3945 Gatekeeper Feature License?
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.
Which Cisco 3900 platforms support the FL-GK-3945 Gatekeeper license?
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.
What key features does the Gatekeeper Feature License provide?
It delivers centralized call routing, dynamic bandwidth allocation, endpoint admission control, and protocol translation between H.323 and SIP for secure, scalable voice networks.
How do I install the FL-GK-3945 license on my Cisco 3900 router?
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.
How can I activate the Gatekeeper license after installation?
Issue the command `license boot module c3900 technology-package gatekeeper` in global configuration mode and reload the router to enable the feature.
How do I verify the status of the FL-GK-3945 license?
Run `show license status` or `show license detail` in the CLI; the output will confirm installation, feature state, and expiration information.
What are the software prerequisites for deploying the Gatekeeper license?
Your router must run Cisco IOS XE 16.6.x or higher with valid IP Base and Security or Unified Communications licenses already installed.
Can I upgrade from a trial or evaluation license to FL-GK-3945?
Yes. Simply purchase the FL-GK-3945 license and install it; the system automatically replaces the evaluation entitlement without service interruption.
How is the FL-GK-3945 license model structured?
It is a perpetual feature license activated per router platform. Maintenance and support are offered separately through Cisco SMARTnet or authorized resellers.
What is the process for renewing maintenance on the Gatekeeper license?
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.
Does the FL-GK-3945 license include technical support?
Technical support is available through Cisco SMARTnet, which must be purchased separately to access software updates, 24/7 TAC, and RMA services.
What use cases benefit most from the Gatekeeper Feature License?
Large-scale VoIP networks requiring centralized policy control, bandwidth reservation, H.323-to-SIP interworking, and dynamic call admission leverage this license.
How does FL-GK-3945 improve voice quality and network efficiency?
By enforcing admission control and dynamic bandwidth allocation, it prevents oversubscription, reduces call setup delays, and ensures consistent voice quality.
Where can I purchase the Cisco 3900 Gatekeeper license FL-GK-3945?
Purchase through Cisco’s e-commerce portal, authorized partners, or directly via Cisco sales representatives using SKU FL-GK-3945.
What is the difference between FL-GK-3945 and Cisco Unified Communications licenses?
FL-GK-3945 focuses on gatekeeper functionality for call policy and admission control, whereas Unified Communications licenses cover broader telephony, video, and collaboration features.
Can I transfer the FL-GK-3945 license to another Cisco 3900 router?
Yes. Remove the license with `license clear` commands, then install the same entitlements on the target router following the standard installation procedure.