Re: Net2phone Session Intiating protocol
- From: "Jim Harrison" <jim@xxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 5 Sep 2002 06:47:04 -0700
Hi Vinaykumar,
You have two blocking issues here:
1. SecureNAT clients can't use complex protocols like SIP; only Firewall
clients can
2. SIP and NAT don't mix well; the internal host passes its IP to the remote
host and they can't talk that way
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/pages/author_index.asp?aut=3
http://isatools.org
Read the books!
----- Original Message -----
From: "Vinaykumar G" <G.VINAY@xxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Wednesday, September 04, 2002 8:03 PM
Subject: [isalist] Net2phone Session Intiating protocol
http://www.ISAserver.org
Hi All,
I am trying to initiate the Net2phone utility using seperate Software
provided by the Vendor here. Iam not able to get through behind the
Firewall.
THe S/w says that session Intiating protocol is required to make the call
which uses the well known port no. for SIP is 5060. I have enabled both TCP
and
UDP port No's for 5060 both Inbound and Outbound but its not getting
through. How do we configure for this SIP port 5060 to pass thru ISA. Please
advice. Iam trying this
configuration behind a secure NAT client.
Regards,
Vinay.
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