GNU Gatekeeper 3.9 is available

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I am pleased to announce a new release of the GNU Gatekeeper,
version 3.9, now available from

This release includes source code suitable for Linux, Windows, MacOS X,
FreeBSD, NetBSD, OpenBSD and Solaris and executables for Linux.

-- Jan

Whats new in GnuGk 3.9 ?

- bug fixes, including a crash and hanging status port on Windows

- a new IP/port detection algorithm for endpoints behind NAT that works
  well even with unregistered (!) endpoint

  H.460 NAT traversal requires all endpoints to register with their
  gatekeeper. Thus users have to enter IPs in config dialogs etc.
  With this new port detection, they can start making calls right
  away to <alias>@<gatekeeper IP> or <gatekeeper IP>##<alias>.

- neighbor pings to speed up call routing if your neighbors are
  frequently down

  Neighbors get pinged with an LRQ and if they don't respond with
  either LCF or LRJ GnuGk will skip them in the call routing without
  waiting for a timeout.

- geo-blocking
  with the GeoIPAuth policy, you can allow or block calls based on the
  location of the IP

- status port event back log
  When you connect to the status port to diagnose an issue, the
  relevant events are already gone. With this new feature you can tell
  GnuGk to save the last n events and show them later on. This way you
  can take a look at eg. the last 100 failed registrations etc.

- QoS DiffServ marking for RAS, H.225 and H.245 messages (based on a
  patch provided by Vidyo)
  Now you can set the DiffServ class for signaling messages.
  Previously you could only mark RTP packets.

- support for H.235.TSSM
  H.235 needs time synchronization between gatekeeper and endpoints and
  the proposed H.235.TSSM standard provides a means for endpoints to
  detect that they are not in sync with the gatekeeper and apply a time

Download from

Jan Willamowius, Founder of the GNU Gatekeeper Project
EMail  : jan@xxxxxxxxxxxxxx

Relaxed Communications GmbH
Frahmredder 91
22393 Hamburg
Geschäftsführer: Jan Willamowius
HRB 125261 (Amtsgericht Hamburg)
USt-IdNr: DE286003584

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