Re: MSN Messenger Voice on ISA
- From: "Jim Harrison" <jim@xxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Mon, 21 Jan 2002 19:11:25 -0800
You asked, and here it is:
<article>
You can't do MSNIM voice / video from behind ISA.
</article>
;-)
The problem is twofold:
1. MSN IM prior to 4.x has "issues" determining the proper IP in a
multihomed environment, but only for voice/video; file transfers work fine.
2. MSN IM 4.x and later use a different V/V technology altogether (requires
SIP) and:
1. aren't compatible with down-level versions of MSNIM
2. are just as functional on a multihomed host as previous versions
The Firewall client (required for all complex protocols) causes the host to
appear multihomed to many apps (because it is, sorta).
Hopefully, someone will create a nifty SIP gateway (like the NetMeeting
Gatekeeper) so that these issues disappear.
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/authors/harrison/
Read the books!
----- Original Message -----
From: "Adewale Egunjobi" <eddywase@xxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Monday, January 21, 2002 07:23
Subject: [isalist] MSN Messenger Voice on ISA
http://www.ISAserver.org
Hi All,
I want to implore Tom Shinder and Jim Harrison or any
other person to write a comprehensive article urgently
on "How to successfully place a VOICE CONVERSATION on
MSN MESSENGER SERVICE between an external client and a
client (FIREWALL OR WEB PROXY CLIENT)behind the ISA
Server.
For over 6 months now, I've been trying to see this
through despite all the ports and rules suggested by
Microsoft in the knowledge base, only File transfer
and chatting are always true, but NOT voice
conversation behind the ISA firewall.
Pls assist.
Wale
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