Hi David, thats a very broad question. There certainly are a number of disadvantages, like some added overhead that can cause slower call establishment, lacking support on some devices, assumtions on certain firewall behavior etc. It depends on the circumstances if any of these apply to you. Regards, Jan David Vrtin wrote: > Hi > > What are disadvantages of using H.460.19 ? > > Regards, > David > > On 4.5.2012 17:56, Jan Willamowius wrote: > > the only requirement for H.460.19 is the the firewall allows _outgoing_ > > connections. If it does, there is no need to open any ports at all. > > > > If it doesn't, you can use RTP multiplexing and define 2 ports in the > > GnuGk config for RTP. For outgoing packets on those ports your firewall > > has to open a pinhole. But you still need to configure a PortRange for > > Q.931 and H.245 and open the RAS ports. > > > > Regards, > > Jan -- Jan Willamowius, Founder of the GNU Gatekeeper Project EMail : jan@xxxxxxxxxxxxxx Website: http://www.gnugk.org Support: http://www.willamowius.com/gnugk-support.html ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________________ Posting: mailto:Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_name=openh323gk-users Unsubscribe: http://lists.sourceforge.net/lists/listinfo/openh323gk-users Homepage: http://www.gnugk.org/