Hi!

I have a question about why a primary gatekeeper(out of 2 gatekeepers) is 
disconnecting calls after 25 seconds that first reaches the alternative 
gatekeeper on another machine. The H323 endpoint that is receiving the call is 
a Mirial gateway. :)

We have two customers that use incoming H323 and SIP for their service.

For the H323 we are using a H323 Gnugk for each customer (on two different 
IP's) that I have tried to setup as primary and alternative gatekeeper.
To translate from H323 to SIP (which is the protocol mainly supported by our 
service) we have a Mirial H323 2 SIP in between. The H323 side of Mirial is 
registered in the primary gatekeeper at customer 1. We cant register it in the 
alternative as well. :)


Customer 1: GnuGk(primary) IP1 <--registered Mirial IP3
                             |reg
Customer 2: GnuGk(alternative) IP2


Calls from H323 clients to the first (primary) customer is working perfectly.
Calls from H323 to the second customer (with the alternative gatekeeper gets 
the call to work for about 25 seconds. After this the primary gatekeepers 
decides to send disengageRequest directly to Mirial gateway, that is later 
disconnecting the calls.

This is the log from the primary gatekeeper (207.183.111.122) when it is 
disconnecting a working call:

(. . . about 20 seconds with no logs since the call was setup OK . . .)
disengageRequest {
    requestSeqNum = 104
    endpointIdentifier =  9 characters {
      0031 0034 0030 0038 005f 0065 006e 0064   1408_end
      0070                                      p
    }
    conferenceID =  16 octets {
      02 35 81 01 a4 43 d0 10  36 b3 e2 73 30 a9 2e cf   .5...C..6..s0...
    }
    callReferenceValue = 51145
    disengageReason = forcedDrop <<null>>
    callIdentifier = {
      guid =  16 octets {
        02 35 81 01 a4 43 d0 10  36 b2 e2 73 30 a9 2e cf   .5...C..6..s0...
      }
    }
    gatekeeperIdentifier =  6 characters {
     0047 0047 006e 0075 0047 006b             GGnuGk
    }
    answeredCall = false
  }
2011/11/29 12:55:55.689 2             RasTbl.cxx(2642)  Gk      Disconnect Call 
No. 26
2011/11/29 12:55:55.689 2             RasTbl.cxx(4076)  CDR     ignore not 
connected call
2011/11/29 12:55:55.689 2             gkacct.cxx(955)   GKACCT  Successfully 
logged event 2 for call no. 26
2011/11/29 12:55:55.690 2             RasSrv.cxx(173)   RAS     Read from 
207.183.111.224:1719
2011/11/29 12:55:55.690 3             RasSrv.cxx(223)   RAS
disengageConfirm {
    requestSeqNum = 104
    usageInformation = {
      nonStandardUsageFields = 0 entries {
      }
      alertingTime = 1322592922
      connectTime = 1322592926
    }
  }
2011/11/29 12:55:55.690 1             RasSrv.cxx(355)   RAS     DCF Received 
from 207.183.111.224:1719
2011/11/29 12:55:56.689 3             RasTbl.cxx(2130)  Gk      Delete Call No. 
26
2011/11/29 12:55:57.278 2             RasSrv.cxx(173)   RAS     Read from 
207.183.111.224:1719
2011/11/29 12:55:57.278 3             RasSrv.cxx(223)   RAS
disengageRequest {
    requestSeqNum = 60528
    endpointIdentifier =  9 characters {
      0031 0034 0030 0038 005f 0065 006e 0064   1408_end
      0070                                      p
    }
    conferenceID =  16 octets {
      02 35 81 01 a4 43 d0 10  36 b3 e2 73 30 a9 2e cf   .5...C..6..s0...
    }
    callReferenceValue = 18377
    disengageReason = normalDrop <<null>>
    callIdentifier = {
      guid =  16 octets {
        02 35 81 01 a4 43 d0 10  36 b2 e2 73 30 a9 2e cf   .5...C..6..s0...
      }
    }
    gatekeeperIdentifier =  6 characters {
      0047 0047 006e 0075 0047 006b             GGnuGk
    }
    answeredCall = true
    usageInformation = {
      nonStandardUsageFields = 0 entries {
      }
      alertingTime = 1322592922
      connectTime = 1322592926
      endTime = 1322592952
    }
    terminationCause = releaseCompleteReason gatekeeperResources <<null>>
  }
2011/11/29 12:55:57.279 1             RasSrv.cxx(355)   RAS     DRQ Received 
from 207.183.111.224:1719
2011/11/29 12:55:57.279 2             RasSrv.cxx(395)   
DCF|207.183.111.224|1408_endp|18377|normalDrop|02-35-81-01-a4-43-d0-10-36-b2-e2-73-30-a9-2e-cf;
2011/11/29 12:55:57.279 3             RasSrv.cxx(235)   RAS     Send to 
207.183.111.224:1719
disengageConfirm {
    requestSeqNum = 60528
  }

Any ideas why it does this and how I can configure it away?
I am adding the gnugk.ini file from primary gatekeeper. It is very similar on 
the alternative one. :)

Primary Gk: 207.183.111.222
Alternativ Gk: 207.183.111.223
Mirial h323 2 SIP gw: 207.183.111.224

[Gatekeeper::Main]
FortyTwo=42
Name=GGnuGk
TimeToLive=600
StatusTraceLevel=2
AlternateGKs=207.183.111.223:1719:false:120:CGnuGk
SendTo=207.183.111.223:1719
SkipForwards=207.183.111.223
CompareAliasCase=0
CompareAliasType=0
ExternalIP=207.183.111.222
[GkStatus::Auth]
rule=allow
127.0.0.1=allow
default=allow
Shutdown=allow

[RoutedMode]
GKRouted=1
H245Routed=0
CallSignalPort=1720
AcceptUnregisteredCalls=1
DropCallsByReleaseComplete=1
SupportNATedEndpoints=1

[Proxy]
Enable=0
ProxyForNAT=1
ProxyForSameNAT=0

[RoutingPolicy]
default=explicit,internal,parent,neighbor,catchall,vqueue

[RasSrv::RewriteAlias]
customerdomain.com=0099999999

[Routing::CatchAll]
CatchAllAlias=PSEGateway

[EP::PSEGateway]
Capacity=30
AddNumbers=0099999999
AdditionalDestinationAlias=0099999999

I have tried to change the real IP's into fictional ones, might have missed 
some!
Any help is very appreciated! :)

Best Regards,
Mikael

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