G

GNU Gatekeeper 2.2.6

Jan Willamowius – Open Source

GNU Gatekeeper: Mastering Firewall Management with Ease

Boris Weber

GNU Gatekeeper offers a robust and user-friendly solution for managing firewall configurations, making it ideal for both novice and experienced users looking to secure their networks effectively.
2025 Editor's Rating

GNU Gatekeeper is a open-source H.323 gatekeeper used for managing VoIP calls between devices and networks. Originally developed by Jan Willamowius, this software application provides a centralized solution for call routing, address translation, and bandwidth management in H.323-based VoIP networks.

Key features of GNU Gatekeeper include call admission control to manage and prioritize calls based on bandwidth availability, network address translation (NAT) traversal to enable communication between devices on private IP networks, and user authentication for secure connections.

With GNU Gatekeeper, users can set up and configure a dedicated VoIP server to effectively route calls, control call quality, and ensure smooth communication across different devices and networks. The software supports various H.323-compatible endpoints, gateways, and terminals, making it a versatile choice for organizations looking to deploy VoIP solutions.

Whether you are setting up a small business phone system or managing a large-scale VoIP network, GNU Gatekeeper offers a reliable and efficient solution for handling call routing, authentication, and bandwidth management. Its open-source nature allows for flexibility and customization to meet specific communication requirements.

  • Manage VoIP calls in H.323-based networks
  • Control call admission and prioritize bandwidth
  • Enable NAT traversal for communication across private networks
  • Provide user authentication for secure connections
  • Support various H.323-compatible endpoints and terminals

Overview

GNU Gatekeeper is a Open Source software in the category Communications developed by Jan Willamowius.

The latest version of GNU Gatekeeper is 2.2.6, released on 02/18/2008. It was initially added to our database on 08/24/2007.

GNU Gatekeeper runs on the following operating systems: Windows.

GNU Gatekeeper has not been rated by our users yet.

Pros

  • Increased security with encryption and authentication capabilities
  • Support for various VoIP protocols such as H.323 and SIP
  • Scalability to support large deployments with multiple gateways and endpoints
  • Provides call routing, management, and monitoring features for VoIP network
  • Open-source program, allowing for flexibility and customization

Cons

  • Steep learning curve for configuring and managing the software
  • Requires technical expertise to set up and maintain the Gatekeeper
  • Limited documentation and community support compared to commercial alternatives
  • Potential compatibility issues with certain hardware and software configurations

FAQ

What is GNU Gatekeeper?

GNU Gatekeeper is a free H.323 gatekeeper software package written by Jan Willamowius.

What is the purpose of GNU Gatekeeper?

The purpose of GNU Gatekeeper is to provide call control, routing, and bandwidth management for H.323-based VoIP (Voice over IP) networks.

What operating systems does GNU Gatekeeper support?

GNU Gatekeeper supports various Unix-like operating systems, including Linux, BSD, and macOS.

Is GNU Gatekeeper compatible with other VoIP protocols?

GNU Gatekeeper can also interoperate with SIP-based VoIP systems using the SIP-H.323 gateway functionality.

Does GNU Gatekeeper support NAT traversal?

Yes, GNU Gatekeeper supports Network Address Translation (NAT) traversal for H.323 endpoints behind NAT devices.

Are there any limitations in terms of the number of supported endpoints or concurrent calls?

The number of supported endpoints and concurrent calls depends on the system hardware and configuration. There are no fixed limitations in the software itself.

Is GNU Gatekeeper actively maintained and developed?

Yes, GNU Gatekeeper is actively maintained and developed by Jan Willamowius and the community.

Where can I find documentation for GNU Gatekeeper?

Documentation for GNU Gatekeeper can be found on the project's website or through the official user mailing list.

Can I contribute to the development of GNU Gatekeeper?

Yes, contributions to the development of GNU Gatekeeper are welcome. The project is open source.

Is commercial use of GNU Gatekeeper allowed?

Yes, commercial use of GNU Gatekeeper is allowed under the GNU General Public License (GPL).


Boris Weber

Boris Weber

I am an editor at UpdateStar. I started as a support engineer, and am now specialized in writing about general software topics from a usability and performance angle among others. I telecommute from UpdateStar’s Berlin office, when I am not working remote as a digital nomad for UpdateStar. When I'm not analyzing the latest software updates, you can find me exploring new cities, immersing myself in local cultures, and discovering innovative tech trends across the globe.

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