3CX Phone System for Windows

System requirements:

3CX Phone System for Windows requires the following:

· Windows XP Pro, Vista, 2003 server or 2008

· Port 5060 (SIP), 5080 (Tunnel - Optional) to be opened

· Port 5480, 5482, 5483, 5484, 5485 to be free

· One configurable port for IIS, 3 for Cassini to be open

· .NET Framework version 2.0 or higher

· 1 Gigabyte Memory or higher, Pentium 4 processor or up

· IIS is recommended so that you can use it as the web server

Recommended:

· IIS

· 3CX Supported VoIP equipment & providers

· If you are using a VOIP provider, you must have a firewall that is configured to do
static port mapping. A static IP is highly recommended also! For more information see:
http://www.3cx.com/support/nat-firewalls.html

· The web based management console is optimized for Internet Explorer v7. It also
works with Firefox 2 & 3, however there are some minor display issues.
You will need to have a good basic understanding of Windows Networking. It is
recommended to read up on IP PBX’s & SIP. For more information visit the IP PBX FAQ
at http://www.3cx.com/PBX/IP-PBX-faq.html

Windows Vista users:

To install 3CX Phone System on Vista, you need to disable UAC (user account control).
To disable UAC do the following:

1. Open Administrative Tools in Control Panel and double-click on System
Configuration

2. Click Continue to accept the UAC prompt

3. Select the Tools tab, scroll down and select Disable UAC

4. Click Launch and Reboot your machine

Windows 2008 users:

You will need to install additional components. Go to:

1. Control Panel > Programs and Features

2. Turn Windows Features on or off > Features

3. Now Add features: Desktop Experience, Quality Windows Audio Video Experience
(Optional). This will install all the codecs required by 3CX for audio in Windows.

4. For the IE browser to work on the server, you must disable Internet Explorer

Security Enhancement. To do this:

a. Go to Start -> Programs -> Administrative Tools -> Server Manager

b. Ensure that the root node is selected

c. In the "Server Summary" section, in the "Security Information" sub-section, Click
on the "Configure IE ESC" link.

d. Set to "Off" for those types of users that will be administering the PBX.