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Jan Willamowius
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User Poll 2017
Could everybody please give some feedback how you like GnuGk and it can be improved ? I have compiled a quick poll. Please feel free to add any other suggestions you may have. https://www.gnugk.org/survey-2017.html In the past, these surveys have always bee...

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GNU Gatekeeper 4.5 released
The most important change is the implementation of TCP keepalives for H.460.18 (bugfix) and optionally for all kinds of calls (feature). This is really important for NAT traversal. In addition to the keepalives there are a number of bugfixes and a few minor...

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GNU Gatekeeper 4.4 released
GNU Gatekeeper 4.4 was released today. This is mainly a bug fix release with only 2 new features. If you use SSH on your status port you are urged to update as soon as possible and also if you use LUA scripting. Two serious bugs have been fixed for these fe...

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GNU Gatekeeper 4.3 released
I'm happy to announce the release of GNU Gatekeeper 4.3. This new version contains a number bug fixes and some security fixes. Fuzzy testing surfaced methods to crash GnuGk remotely, causing at least a denial of service. So all users are encouraged to updat...

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Mobile H.323 endpoints revisited
If you are looking for a free H.323 endpoint to connect to the GNU Gatekeeper , mobile apps for smartphones and tablets seem to offer the widest variety of choice right now: Polycom My personal favorite are the Realpresence apps from Polycom, available  for...

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GNU Gatekeeper 4.2
I'm happy to announce the release of GNU Gatekeeper 4.2. Version 4.2 is mainly a bug fix release. A bug in proxying H.239 connections through NAT has been fixes as well as a number of possible crashes and a few other small bugs. The main functional change i...

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Please tell us what you think about the GNU Gatekeeper !
We are running a suvery to get feedback and ideas for the future development of the GNU Gatekeeper. Please take a moment to answer a few short questions: http://www.gnugk.org/survey-2016.html Thanks for your time!

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GNU Gatekeeper 4.1
I'm happy to announce the availability of GNU Gatekeeper 4.1. This is mainly a bug fix release . If you are using GnuGk as a server in a traversal zone or if you do H.239 presentations with Avaya endpoints, you are strongly encouraged to update . This versi...

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Getting H.323 through Firewalls and NAT by using the free GNU Gatekeeper
The H.323 protocol places IP numbers inside the signaling messages and establishes multiple TCP and UDP connections for a single call. You can't even be sure beforehand of the direction in which some of these connections are established. This makes it harde...

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GNU Gatekeeper 4.0 available
I am pleased to announce the release of GNU Gatekeeper 4.0. It is now available from http://www.gnugk.org/h323download.html . This release includes source code suitable for Linux, Windows, MacOS X, FreeBSD, NetBSD, OpenBSD and Solaris and executables for Li...
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