Dear All, 
I'm trying to install a Lifesize Express 220 and am really stuck.

Configuration:
External gatekeeper (gnugk 3.0.2) (in DMZ)
Firewall in between
Internal gatekeeper (gnugk 3.0.2) (in LOC)
Lifesize Express 220 system version LS_EX2_4.11.8 (14) (in LOC)

All H323 hosts on local network can make/receive outside/inside calls, so 
gateeepers should work fine as they did for a long time. 
>From the (new) Lifesize I can make/receive H323 calls to/from any H323 host on 
the local network, so it should work fine.
I can RECEIVE calls from outside hosts to the Lifesize.
No way to MAKE calls outside from that box.

I thought it might have to do with the reserved ports and tried all 
combinations to no avail.

Can anyone shed any light?

Here are the excerpts of the logs (-tttt) of the internal and external 
gatekeepers when placing a call from the Lifesize to an external MCU, getting 
the 'not available' signal from the Lifesize and dropping the call.
Clocks are not perfectly synchronized, but one should be able to follow 
events.
Needless to say, I can connect just fine to the MCU from my Mac (using the old 
xmeeting), so there are no external problems.

Thank you in advance for ANY help
Alessandro

INTERNAL GATEKEEPER LOG:
2014/03/14 13:14:34.009 4             RasSrv.cxx(218)   RAS     Receiving on 
192.168.0.4:
1719(U)
2014/03/14 13:14:34.009 2             RasSrv.cxx(174)   RAS     Read from 
192.168.0.8:1719
2014/03/14 13:14:34.010 3             RasSrv.cxx(227)   RAS
2014/03/14 13:14:34.011 1             RasSrv.cxx(356)   RAS     ARQ Received 
from 
192.168.0.8:1719
2014/03/14 13:14:34.011 3             gkauth.cxx(995)   GKAUTH  default ARQ 
check ok
2014/03/14 13:14:34.012 2           GkClient.cxx(2041)  GKC     RewritePString: 
253 to 
003902xxx253
2014/03/14 13:14:34.012 3             RasSrv.cxx(239)   RAS     Send to 
ip.of.external.
gatekeeper:1719
2014/03/14 13:14:34.625 4             RasSrv.cxx(218)   RAS     Receiving on 
192.168.0.4:
1719(U)
2014/03/14 13:14:34.625 2             RasSrv.cxx(174)   RAS     Read from 
ip.of.external.
gatekeeper:1719
2014/03/14 13:14:34.626 3             RasSrv.cxx(227)   RAS
2014/03/14 13:14:34.626 2             RasSrv.cxx(1509)  RAS     Trapped ACF
2014/03/14 13:14:34.627 3             RasSrv.cxx(2929)  GK      ACF will grant 
bandwidth 
of 15360
2014/03/14 13:14:34.628 2             RasTbl.cxx(4014)  CallTable::Insert(CALL) 
Call 
No. 1, total sessions : 1
2014/03/14 13:14:34.628 2             RasSrv.cxx(395)   ACF|192.168.0.8:
1720|2337_gk2|2744|004910097926835:dialedDigits|253:dialedDigits=IT-XXX-VC3:
h323_ID|false|82-cb-1a-ae-af-79-11-db-af-23-00-13-fa-08-86-48;
2014/03/14 13:14:34.628 3             RasSrv.cxx(239)   RAS     Send to 
192.168.0.8:1719
2014/03/14 13:14:34.643 4           yasocket.cxx(1116)  TCPSrv  Accept request 
on 
192.168.0.4:1721
2014/03/14 13:14:34.649 3       ProxyChannel.cxx(1162)  Q931s   Received: Setup 
CRV=2744 from 192.168.0.8:40003
2014/03/14 13:14:34.652 4       ProxyChannel.cxx(1109)  Q931    Received: {
2014/03/14 13:14:34.652 4       ProxyChannel.cxx(2422)  Q931s   GWRewrite 
source for 
192.168.0.8:40003: call record
2014/03/14 13:14:34.653 2           GkClient.cxx(2041)  GKC     RewritePString: 
253 to 
003902xxx253
2014/03/14 13:14:34.653 2           GkClient.cxx(2041)  GKC     RewritePString: 
253 to 
003902xxx253
2014/03/14 13:14:34.653 3             gkauth.cxx(1038)  GKAUTH  default Setup 
check ok
2014/03/14 13:14:34.653 3             gkacct.cxx(914)   GKACCT  default logged 
event 1 
for call no. 1
2014/03/14 13:14:34.653 2             gkacct.cxx(950)   GKACCT  Successfully 
logged 
event 1 for call no. 1
2014/03/14 13:14:34.653 4       ProxyChannel.cxx(3062)  Q931s   GWRewrite 
source for 
192.168.0.8:40003: neighbor or explicit IP
2014/03/14 13:14:34.654 4       ProxyChannel.cxx(5579)  Q931s   Set Called 
Numbering 
Plan 1 Type Of Number 2
2014/03/14 13:14:34.654 4       ProxyChannel.cxx(5607)  Q931s   Set Calling 
Numbering 
Plan 1 Type Of Number 2
2014/03/14 13:14:34.654 3       ProxyChannel.cxx(3393)  Q931s   Call 1 is NAT 
type 0
2014/03/14 13:14:34.655 1       ProxyChannel.cxx(997)   Call 1: h245Routed=1 
proxy=1
2014/03/14 13:14:34.655 3       ProxyChannel.cxx(1024)  GK      Call 1 proxy 
enabled
2014/03/14 13:14:34.656 4       ProxyChannel.cxx(1109)  Q931    Send to 
ip.of.external.
gatekeeper:1721 {
2014/03/14 13:14:34.657 4             osutil.cxx(189)   PWLib   File handle 
high water 
mark set: 42 CallSignalSocket
2014/03/14 13:14:34.658 3       ProxyChannel.cxx(5466)  Q931    Connect to 
ip.of.
external.gatekeeper:1721 from 192.168.0.4:30000 successful
2014/03/14 13:14:46.741 3       ProxyChannel.cxx(1162)  Q931d   Received: 
ReleaseComplete CRV=2744 from ip.of.external.gatekeeper:1721
2014/03/14 13:14:46.742 4       ProxyChannel.cxx(1109)  Q931    Received: {
2014/03/14 13:14:46.743 2             RasTbl.cxx(4491)  CDR     ignore not 
connected call
2014/03/14 13:14:46.743 3             gkacct.cxx(914)   GKACCT  FileAcct logged 
event 2 
for call no. 1
2014/03/14 13:14:46.743 2             gkacct.cxx(950)   GKACCT  Successfully 
logged 
event 2 for call no. 1
2014/03/14 13:14:46.744 3             RasSrv.cxx(239)   RAS     Send to 
ip.of.external.
gatekeeper:1719
2014/03/14 13:14:46.745 4             RasSrv.cxx(218)   RAS     Receiving on 
192.168.0.4:
1719(U)
2014/03/14 13:14:46.745 2             RasSrv.cxx(174)   RAS     Read from 
ip.of.external.
gatekeeper:1719
2014/03/14 13:14:46.746 3             RasSrv.cxx(227)   RAS
2014/03/14 13:14:46.746 2             RasSrv.cxx(1509)  RAS     Trapped DCF
2014/03/14 13:14:46.747 4       ProxyChannel.cxx(1109)  Q931    Send to 
192.168.0.8:
40003 {
2014/03/14 13:14:46.757 4             RasSrv.cxx(218)   RAS     Receiving on 
192.168.0.4:
1719(U)
2014/03/14 13:14:46.757 2             RasSrv.cxx(174)   RAS     Read from 
192.168.0.8:1719
2014/03/14 13:14:46.757 3             RasSrv.cxx(227)   RAS
2014/03/14 13:14:46.758 1             RasSrv.cxx(356)   RAS     DRQ Received 
from 
192.168.0.8:1719
2014/03/14 13:14:46.758 4             RasSrv.cxx(3304)  GK      DRQ: closed 
conference
2014/03/14 13:14:46.758 3               gkauth.h(933)   GKAUTH  default DRQ 
check ok
2014/03/14 13:14:46.759 2             RasSrv.cxx(395)   DCF|192.168.0.8
|2337_gk2|2744|forcedDrop|82-cb-1a-ae-af-79-11-db-af-23-00-13-fa-08-86-48;
2014/03/14 13:14:46.759 3             RasSrv.cxx(239)   RAS     Send to 
192.168.0.8:1719
2014/03/14 13:14:51.765 3           yasocket.cxx(794)   Q931s   Delete socket 
192.168.0.8:40003
2014/03/14 13:14:51.779 3           yasocket.cxx(794)   Q931d   Delete socket 
ip.of.
external.gatekeeper:1721
2014/03/14 13:14:52.097 3             RasTbl.cxx(2370)  Gk      Delete Call No. 
1

EXTERNAL GATEKEEPER LOG
2014/03/14 13:14:33.978 4             RasSrv.cxx(218)   RAS     Receiving on 
ip.of.
external.gatekeeper:1719(U)
2014/03/14 13:14:33.978 2             RasSrv.cxx(174)   RAS     Read from 
192.168.0.4:1719
2014/03/14 13:14:33.979 3             RasSrv.cxx(227)   RAS
2014/03/14 13:14:33.979 1             RasSrv.cxx(356)   RAS     ARQ Received 
from 
192.168.0.4:1719
2014/03/14 13:14:33.979 3             RasSrv.cxx(239)   RAS     Send to 
ip.of.parent.
gatekeeper:1719
2014/03/14 13:14:33.979 2           Neighbor.cxx(1036)  NB      1 LRQ(s) sent
2014/03/14 13:14:34.589 4             RasSrv.cxx(218)   RAS     Receiving on 
ip.of.
external.gatekeeper:1719(U)
2014/03/14 13:14:34.589 2             RasSrv.cxx(174)   RAS     Read from 
ip.of.parent.
gatekeeper:1719
2014/03/14 13:14:34.589 3             RasSrv.cxx(227)   RAS
2014/03/14 13:14:34.589 2             RasSrv.cxx(1509)  RAS     Trapped LCF
2014/03/14 13:14:34.589 3             RasSrv.cxx(2929)  GK      ACF will grant 
bandwidth 
of 15360
2014/03/14 13:14:34.589 2             RasTbl.cxx(4014)  CallTable::Insert(CALL) 
Call 
No. 1, total sessions : 1
2014/03/14 13:14:34.589 2             RasSrv.cxx(395)   ACF|192.168.0.4:
1721|gk2_ifp_cnr|2744|004910097926835:dialedDigits|003902xxx253:dialedDigits=IT-
XXX-VC3:h323_ID|false|82-cb-1a-ae-af-79-11-db-af-23-00-13-fa-08-86-48;
2014/03/14 13:14:34.589 3             RasSrv.cxx(239)   RAS     Send to 
192.168.0.4:1719
2014/03/14 13:14:34.623 4           yasocket.cxx(1116)  TCPSrv  Accept request 
on ip.
of.external.gatekeeper:1721
2014/03/14 13:14:34.623 3       ProxyChannel.cxx(1162)  Q931s   Received: Setup 
CRV=2744 from 192.168.0.4:30000
2014/03/14 13:14:34.624 4       ProxyChannel.cxx(1109)  Q931    Received: {
2014/03/14 13:14:34.624 4       ProxyChannel.cxx(2422)  Q931s   GWRewrite 
source for 
192.168.0.4:30000: neighbor or explicit IP
2014/03/14 13:14:34.624 3             gkacct.cxx(914)   GKACCT  default logged 
event 1 
for call no. 1
2014/03/14 13:14:34.624 2             gkacct.cxx(950)   GKACCT  Successfully 
logged 
event 1 for call no. 1
2014/03/14 13:14:34.625 4       ProxyChannel.cxx(3062)  Q931s   GWRewrite 
source for 
192.168.0.4:30000: neighbor or explicit IP
2014/03/14 13:14:34.625 4       ProxyChannel.cxx(5579)  Q931s   Set Called 
Numbering 
Plan 1 Type Of Number 2
2014/03/14 13:14:34.625 4       ProxyChannel.cxx(5607)  Q931s   Set Calling 
Numbering 
Plan 1 Type Of Number 2
2014/03/14 13:14:34.625 3       ProxyChannel.cxx(3393)  Q931s   Call 1 is NAT 
type 0
2014/03/14 13:14:34.625 1       ProxyChannel.cxx(997)   Call 1: h245Routed=1 
proxy=1
2014/03/14 13:14:34.625 3       ProxyChannel.cxx(1024)  GK      Call 1 proxy 
enabled
2014/03/14 13:14:34.625 4       ProxyChannel.cxx(1109)  Q931    Send to 
ip.of.parent.
gatekeeper:1721 {
2014/03/14 13:14:34.626 4             osutil.cxx(189)   PWLib   File handle 
high water 
mark set: 37 CallSignalSocket
2014/03/14 13:14:34.636 3       ProxyChannel.cxx(5466)  Q931    Connect to 
ip.of.parent.
gatekeeper:1721 from ip.of.external.gatekeeper:30000 successful
2014/03/14 13:14:46.704 3       ProxyChannel.cxx(1162)  Q931d   Received: 
ReleaseComplete CRV=2744 from ip.of.parent.gatekeeper:1721
2014/03/14 13:14:46.705 4       ProxyChannel.cxx(1109)  Q931    Received: {
2014/03/14 13:14:46.705 2             RasTbl.cxx(4491)  CDR     ignore not 
connected call
2014/03/14 13:14:46.705 3             gkacct.cxx(914)   GKACCT  FileAcct logged 
event 2 
for call no. 1
2014/03/14 13:14:46.705 2             gkacct.cxx(950)   GKACCT  Successfully 
logged 
event 2 for call no. 1
2014/03/14 13:14:46.705 4       ProxyChannel.cxx(1109)  Q931    Send to 
192.168.0.4:
30000 {
2014/03/14 13:14:46.709 4             RasSrv.cxx(218)   RAS     Receiving on 
ip.of.
external.gatekeeper:1719(U)
2014/03/14 13:14:46.709 2             RasSrv.cxx(174)   RAS     Read from 
192.168.0.4:1719
2014/03/14 13:14:46.709 3             RasSrv.cxx(227)   RAS
2014/03/14 13:14:46.709 1             RasSrv.cxx(356)   RAS     DRQ Received 
from 
192.168.0.4:1719
2014/03/14 13:14:46.709 4             RasSrv.cxx(3304)  GK      DRQ: closed 
conference
2014/03/14 13:14:46.709 2             RasSrv.cxx(395)   DCF|192.168.0.4
|gk2_ifp_cnr|2744|normalDrop|82-cb-1a-ae-af-79-11-db-af-23-00-13-fa-08-86-48;
2014/03/14 13:14:46.710 3             RasSrv.cxx(239)   RAS     Send to 
192.168.0.4:1719
2014/03/14 13:14:51.713 3           yasocket.cxx(794)   Q931s   Delete socket 
192.168.0.4:30000
2014/03/14 13:14:51.713 3           yasocket.cxx(794)   Q931d   Delete socket 
ip.of.
parent.gatekeeper:1721
2014/03/14 13:14:52.491 3             RasTbl.cxx(2370)  Gk      Delete Call No. 
1


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