Hello Stewart, thanks for the prompt response. ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited file size (blocks, -f) unlimited max locked memory (kbytes, -l) 32 max memory size (kbytes, -m) unlimited open files (-n) 8192 pipe size (512 bytes, -p) 8 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 14336 virtual memory (kbytes, -v) unlimited large_fdset=4096 gnugk-2.2CVS, pwlib-1.7.5, openh323-1.14.4 (I'm not able to compile newer libs with gcc-3.3.4 - already wrote to the openh323 mailing list), linux-2.6.11, Intel Xeon 2.8 (HT enabled), 1GB RAM, Slackware [RoutedMode] GKRouted=1 H245Routed=1 CallSignalPort=1720 CallSignalHandlerNumber=24 RtpHandlerNumber=24 RemoveH245AddressOnTunneling=1 RemoveCallOnDRQ=1 DropCallsByReleaseComplete=1 SendReleaseCompleteOnDRQ=1 AcceptNeighborsCalls=1 AcceptUnregisteredCalls=1 SupportNATedEndpoints=1 H245PortRange=40000-50000 Q931PortRange=50001-60000 ForwardOnFacility=1 ConnectTimeout=180000 [Proxy] Enable=1 ProxyForNAT=0 T120PortRange=39998-39999 RTPPortRange=40000-60000 There are no FW rukes on the GK box (just testing). What can be wrong? Tamas ps: In logs I see that GK asked for call tear down: 2005/04/09 20:28:32.597 4 ProxyChannel.cxx(685) Q931 Send to 213.253.103.4:46472 { q931pdu = { protocolDiscriminator = 8 callReference = 42037 from = destination messageType = ReleaseComplete IE: Cause - Temporary failure = { 80 a9 .. } IE: User-User = { 25 80 06 00 08 91 4a 00 02 01 11 00 f8 14 b6 f6 %.....J......... 9a a7 d9 11 94 7a 00 0f 1f f8 9f bd 02 80 01 00 .....z.......... } } h225pdu = { h323_uu_pdu = { h323_message_body = releaseComplete { protocolIdentifier = 0.0.8.2250.0.2 callIdentifier = { guid = 16 octets { f8 14 b6 f6 9a a7 d9 11 94 7a 00 0f 1f f8 9f bd .........z...... } } } h245Tunneling = FALSE } } } Before this message the last message was Call Proceeding (7.5 seconds earlier). Stewart Nelson wrote: > Hi Tamas, > > >>Now I have another problem, but don't know what is the reason... (I can >>make 78 calls and calls above this are terminated). > > > You are probably running out of sockets. > See http://www.gnugk.org/gnugk-manual-2.html , section 2.1. > > If that's not it, find out and post precisely what is failing, and > include information about your libraries and what OS you are using. > > --Stewart ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________________ Posting: mailto:Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_id=8549 Unsubscribe: http://lists.sourceforge.net/lists/listinfo/openh323gk-users Homepage: http://www.gnugk.org/