Thank you both for the replies. I will tweak my config/firewall as you suggest. Is T120 used for what Polycom calls "People+Content" sharing? Andrew Struiksma K20 Network Support Specialist - NW Regional Video ITU Northwest Educational Service District > -----Original Message----- > From: openh323gk-users-bounces@xxxxxxxxxxxxxxxxxxxxx > [mailto:openh323gk-users-bounces@xxxxxxxxxxxxxxxxxxxxx] On > Behalf Of Jan Willamowius > Sent: Friday, May 09, 2008 2:43 PM > To: openh323gk-users@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: Number of ports required for > video call > > Hi, > > to be on the safe side, I would add a few ports to the range. > After a calls is finished, it can sometimes take up to a few > minutes for all sockets to become available again (depending > on your OS and how much tuning you did). > As a rule of thumb I would add 20%. > > Regards, > Jan > > Simon Horne wrote: > > Andrew > > > > A standard Video call requires > > 4 RTP ports 1 RTP audio 1 RTP video 1 RTCP audio 1 RTCP video > > 1 Q931 port (Call Signalling) > > and optionally 1 H245 port if not H245 Tunneling No T120 ports > > > > So for 10 calls with H245 tunneling allow 40 RTP ports 10 Q931 ports > > > > Simon > > -----Original Message----- > > From: openh323gk-users-bounces@xxxxxxxxxxxxxxxxxxxxx > > [mailto:openh323gk-users-bounces@xxxxxxxxxxxxxxxxxxxxx]On Behalf Of > > Andrew Struiksma > > Sent: Saturday, May 10, 2008 1:07 AM > > To: GNU Gatekeeper Users > > Subject: Number of ports required for > video call > > > > > > I'm testing GnuGK behind a firewall and am wondering how > many ports > > are really required for H.323 video calls. The sample nat.ini lists > > these port > > ranges: > > > > Q931PortRange=30000-30999 > > H245PortRange=31000-31999 > > T120PortRange=50000-59999 > > RTPPortRange=50000-59999 > > > > However the GnuGK Manual lists these port ranges: > > > > Q931PortRange=20000-20999 > > H245PortRange=30000-30999 > > T120PortRange=40000-40999 > > RTPPortRange=50000-59999 > > > > I would rather not leave thousands of ports open if it is > > unnecessary. I will be dealing with schools which will be > using fewer > > than 10 (probably less than 5) video endpoints. Could > someone please > > give me an idea of how many ports in each range are > actually required per video call? > > > > Thank you! > > > > > > Andrew Struiksma > > K20 Network Support Specialist - NW Regional Video ITU > > > > > > > > Andrew Struiksma > > K20 Network Support Specialist - NW Regional Video ITU > > Northwest Educational Service District > > 1601 R Avenue > > Anacortes, WA 98221 > > (360) 299-4063 (Office) > > (360) 333-0776 (Cell) > > astruiksma@xxxxxxxxx > > > > www.nwesd.org > > Together We Can ... > > > -- > Jan Willamowius, jan@xxxxxxxxxxxxxx, http://www.gnugk.org/ > > -------------------------------------------------------------- > ----------- > This SF.net email is sponsored by the 2008 JavaOne(SM) > Conference Don't miss this year's exciting event. There's > still time to save $100. > Use priority code J8TL2D2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java > .sun.com/javaone > _______________________________________________________ > > Posting: mailto:Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx > Archive: > http://sourceforge.net/mailarchive/forum.php?forum_name=openh3 > 23gk-users > Unsubscribe: > http://lists.sourceforge.net/lists/listinfo/openh323gk-users > Homepage: http://www.gnugk.org/ > ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________________ 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/
