3CX PBX Phone System for Windows

3CX Server:

Operating System: XP Pro, Vista, Windows 2003 Server or Windows 2008 Server
Memory: 1GB or more recommended
CPU: 1 GHz (or equivalent) or better
Disk Space:
- 20M Hard Disk space for 3CX installation files
- Additional disk space for database files
- Additional disk space for logging, dependent upon configuration
Ports: Ports 5060 (SIP), 5080 (Tunnel - Optional), 5480, 5482, 5483, and 5484 to be free & open
Web Server: One port for Internet Information Server (IIS), 3 if using Cassini (5000, 5481, 5484)
.NET Framework version 2.0 or higher

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

Open Administrative Tools in Control Panel and double-click on System Configuration
Click Continue to accept the UAC prompt
Select the Tools tab, scroll down and select Disable UAC
Click Launch and Reboot your machine

SIP Requirements:

Phones: SIP standard based software or hardware phones
Gateways: Optional VOIP Gateway (if you need to connect PSTN phone lines)
VOIP Service: Optional VOIP service provider account (if you want to place calls via the Internet)

Note: For assistance in choosing the correct hardware to use with 3CX, please visit the 3CX Telephony Advisor.

You will need to have a basic understanding of Windows Networking. It is recommended to read up on IP PBX’s & SIP. For more information, please read the IP PBX FAQ.