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External NetMeeting client cannot connect

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External NetMeeting client cannot connect - 20.Dec.2004 3:36:00 PM   
whitenoiz

 

Posts: 4
Joined: 9.Nov.2004
From: London
Status: offline
Hi,

I have spent a fair amount of time trying to get this to work but it is now staring to drive me mad! I've done absolutely everthing that Tom Shinder said to do in his article, but external clients still cannot call in.

I have configured the H.323 Filter to allow both incoming and outgoing. I have a protocol rule that allows the H.323 protocol for 'Domain Users'. I have a Site and Content Rule that allows any request to any site. The gatekeeper is configured to use the internal interface, and the internal clients are successfully connected to it. The external client is configured to use the external interface of the ISA server as the gateway.

Connecting Internal to Internal, or Internal to External all works fine, but the very same External client simply cannot connect (by phone number) to the internal client!

Any Ideas very very welcome!

Thanks, Steve
Post #: 1
RE: External NetMeeting client cannot connect - 20.Dec.2004 5:11:00 PM   
whitenoiz

 

Posts: 4
Joined: 9.Nov.2004
From: London
Status: offline
Important... all the articles here provide a lot of useful information, but not one of addressed the issue I was having.

However, it is very important so... if you have more than 1 IP address assigned to the external interface of your ISA server, external clients will not he able to connect with NetMeeting at all unless you use the default (or first) IP assigned to the interface.

I hope this prevents someone else going bald!

(in reply to whitenoiz)
Post #: 2
RE: External NetMeeting client cannot connect - 1.Feb.2005 10:20:00 AM   
soket

 

Posts: 30
Joined: 20.Aug.2004
From: Malaysia
Status: offline
I also have the same problem, but I already configure the external client to use the first ip of the isa external ip address. The H323 cannot forward the call to the user, cannot find the user alias.

I already read all the shinder documents, but nothing seems to be working.

(in reply to whitenoiz)
Post #: 3
RE: External NetMeeting client cannot connect - 22.Feb.2005 5:36:00 AM   
felafel

 

Posts: 53
Joined: 22.Dec.2001
From: PA, USA
Status: offline
Are you sure the external machine doesn't have something blocked with Windows Firewall? That blocks stuff going out by default.

(in reply to whitenoiz)
Post #: 4

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