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3CX Server:

• Operating System: Windows 2000 Pro, Server, Advanced Server, XP Pro, Vista, Windows 2003 Server or Windows 2008 Server
• Memory: 512MB minimum, 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), 5480 (Postgres), 5481 (Apache) and 5482 (Media server) to be free & open

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.