RE: VOIP phone
- From: "Thor" <thor@xxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 24 Jun 2004 11:40:57 -0700
True enough... In cases where a separate server cannot be installed, I have
just established a client-to-server VPN (but again, with XP or Win2k) and 2
nics and route the phone IP down the VPN. Works great.
I did that several times when travelling to BlackHat conferences actually...
I was sitting at the bar in Singapore, connected to the net via wireless,
and had my IP Phone plugged into the nic side, routing down a VPN tunnel to
my NEC gateway. I could make overhead pages in Charleston and accept all
incoming calls to that number (or direct extension...)
I did something similar at my old office where I didn't want to install a
separate server... A little ghetto, but cool.
t
----- Original Message -----
From: "Ray Dzek" <rdzek@xxxxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Thursday, June 24, 2004 11:33 AM
Subject: [isalist] RE: VOIP phone
http://www.ISAserver.org
You are assuming that he has a MS server on both ends. I have still not
found a hardware VPN DSL/Cable modem box that will let us connect home users
to our home office ISA VPN server.
Ray Dzek
Network Operations Supervisor
Specialized Bicycle Components
-----Original Message-----
From: Thor [mailto:thor@xxxxxxxxxxxxxxx]
Sent: Thursday, June 24, 2004 11:25 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: VOIP phone
http://www.ISAserver.org
MessageCorrect... You may want to consider VPN if the remote connection is
trusted. That works just fine through ISA, and your traffic is encrypted...
I don't think I'd want my IP telephony traffic waving in the breeze like
that...
t
----- Original Message -----
From: Administrator
To: [ISAserver.org Discussion List]
Sent: Thursday, June 24, 2004 11:13 AM
Subject: [isalist] RE: VOIP phone
http://www.ISAserver.org
Hi
My Isa External NIC has a fixed public IP and connects direct to my cable
modem which has another fixed IP
To put the VOIP phone on the external I would need another public IP as I
see it. Am I wrong?
Open to suggestions to get this running
William
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: 24 June 2004 20:03
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: VOIP phone
http://www.ISAserver.org
Hi William,
You put it in front of the firewall, which has the same effect.
Tom
Thomas W Shinder
www.isaserver.org/shinder
ISA 2004 Beta - Get it now!
http://www.microsoft.com/isaserver/beta/default.asp
ISA Server and Beyond: http://tinyurl.com/1jq1
Configuring ISA Server: http://tinyurl.com/1llp
-----Original Message-----
From: Administrator [mailto:Administrator@xxxxxxxxxxxxx]
Sent: Thursday, June 24, 2004 12:55 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: VOIP phone
http://www.ISAserver.org
Hi
Ok..so if I play the dangerous game...how do I open all TCP and all UDP In
and OUT?
Is this possible?
William
From: Ray Dzek [mailto:rdzek@xxxxxxxxxxxxxxx]
Sent: 24 June 2004 19:46
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: VOIP phone
http://www.ISAserver.org
If you figure this out you would be ahead of just about everybody. VOIP
does not play nice with ISA, or just about any other firewall for that
matter. You usually have to revert to hanging your VOIP phones out on in a
DMZ with a real internet IP address.
Ray Dzek
Network Operations Supervisor
Specialized Bicycle Components
PH: 408-782-5420
FX: 408-782-5421
-----Original Message-----
From: Administrator [mailto:Administrator@xxxxxxxxxxxxx]
Sent: Thursday, June 24, 2004 9:17 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] VOIP phone
http://www.ISAserver.org
Hi
I have a VOIP phone on my internal network. It has a fixed IP It seems that
from one phone to another and Service provider to another different ports
are needed Can anyone tell me how to open ALL port to the IP of this phone
or of some way to find the ports I need. Ports 5060 and 20222 TCP In and Out
are needed but from a sniffer it seems to from to use UDP ports etc The VOIP
phone is a GrandStream BudgeTone-100 Appreciate any help William
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