RE: I need help setting up VOIP behind ISA

  • From: "Steve Moffat" <steve@xxxxxxxxxx>
  • To: "ISA Mailing List" <isalist@xxxxxxxxxxxxx>
  • Date: Fri, 24 Jun 2005 18:34:25 -0300

LOL...good luck 

-----Original Message-----
From: B Wallace [mailto:bennie@xxxxxxxxxxxxxxxx] 
Sent: Friday, June 24, 2005 3:37 PM
To: ISA Mailing List
Subject: [isalist] I need help setting up VOIP behind ISA

http://www.ISAserver.org

 am trying to set up a VOIP system (bandwidth.com) and get it to work
behind our MS Small Business Server with ISA.

The hardware configuration would be as follows

Internet > T1 line > EdgeMarc 4300T Appliance > MS Small Business Server
with ISA > PC's & Cisco 7960G IP Phones

The system uses the MGCP Protocol.

I'm told for the system to work, I need to open up the following Ports.

Port Type Firewall Ports to Open

UDP 161(SNMP) and 162 (SNMPTRAP)

RTP 1056 to 1255

TCP SSH TCP 22 for remote management & TCP 80 for WAN
configuration-downloads

Telnet 23

FTP TCP 21 for state-full TCP-session control from 4300T to Edgewater
FTP server

MGCP 2427, 2429, 2432, and 2727

NTP 123

SIP 5060 and 5075

Thanks in advance,

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