Hi All, I tried to call from one gateway to another gateway both being registed to gnugk. All gateway and gnugk are all in internal private Ip address. The call cannot be establised. The gnugk config file are as follows: [Gatekeeper::Main] Fourtytwo=42 Name=net2callsgnugk [GkStatus::Auth] rule=allow [RoutedMode] GKRouted=1 H245Routed=1 CallSignalPort=0 AcceptUnregisteredCalls=1 RemoveH245AddressOnTunneling=1 DropCallsByReleaseComplete=1 SendReleaseCompleteOnDRQ=1 SupportNATedEndpoints=1 ShowForwarderNumber=1 AcceptUnregisteredCalls=1 [Proxy] Enable=1 CiscoGKCompatible=1 OverwriteEPOnSameAddress=1 [CallTable] GenerateUCCDR=1 DefaultCallDurationLimit=7200 AcctUpdateInterval=180 [RasSrv::GWPrefixes] housegw1=383 housegw2=384 [RasSrv::PermanentEndpoints] 192.168.168.20=housegw1 192.168.168.21=housegw2 I have telnet to 127.0.0.1 and both gateway had been registered. AllRegistrations RCF|192.168.168.20:1720|housegw1:h323_ID|terminal|8799_endp RCF|192.168.168.21:1720|housegw2:h323_ID|terminal|8800_endp Number of Endpoints: 2 Please kindly help. Thanks a lot. Jim. ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click _______________________________________________________ List: Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_id=8549 Homepage: http://www.gnugk.org/