3CX Phone System Support

3CX has extensive technical support resources including manuals, wiki, forums, configuration guides and paid support. Please note that 3CX does not provide free support. Review our support procedures and pricing here.

Support resources

• 3CX Wiki - Technical documentation, configuration guides and more.
• Forums -User to user support is available on the 3CX forums.
• Supported VOIP providers - 3CX strongly recommends using a supported VOIP provider.
• Phone Configuration guides - use supported phones and follow these step by step guides
• Gateway Configuration guides - use supported gateways and follow these step by step guides
• 3CX Phone System manual - in PDF format or in HTML format  
• 3CX Extension manual - for 3CX Phone System users in PDF format or in HTML format   
• 3CX VoIP Client manual - in PDF format or in HTML format
• Purchase a 3CX Support package

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Search the entire 3CX Website, including the FAQs, the configuration guides and the forums:

SIP Phone Configuration Guides

• 3CX VOIP Client (Recommended)
• How to auto-provision IP phones with DHCP 'option 66'
• Aastra 51i (Recommended)
• Aastra 5xi (Recommended)
• Aastra SIP-DECT (Recommended)
• Aastra (Using manual-provisioning)
• Linksys 3102 ATA and Fax - T38 Fax Pass-through
• Linksys SPA-901 (Recommended)
• Linksys SPA-921/941 (Recommended)
• Linksys SPA-962
• Linksys SPA-9XX (Using manual-provisioning)
• SNOM 300-320-360-370-820 (Recommended)
• SNOM M3 (Recommended)
• SNOM 300-320-360-370 (Using manual-provisioning)
• Aastra 9133i SIP and Aastra 480i
• CISCO 7940
• GrandStream GXP-2000
• GrandStream GXP-2000 and GXP-2020 (Using manual-provisioning)
• GrandStream HandyTone 286
• GrandStream HandyTone 386
• Nokia E65
• Fring
• Polycom SoundPoint IP 301, 320,330,501,550
• Polycom SoundPoint IP 301, 320,330,501,550 (provisioning)
• Polycom SoundStation IP6000
• Siemens C450IP
• Siemens C470IP
• X-Lite 3.0
• Yealink T28

VOIP Gateway Configuration Guides

• Audiocodes MP-114 (2 x FXO, 2 x FXS) (Supported)
• Sangoma PRI with Netborder (Beta)
• VegaStream Europa 50 (2 x FXO, 4 x FXS) (Recommended)
• VegaStream Europa 50 (2 x BRI) (Recommended)
• Patton SmartNode 4554 (Recommended)
• Patton SmartNode 4112/4114 (Recommended)
• Patton SmartNode 4960 (Recommended)
• Patton SmartNode 4638 (Recommended)
• Audiocodes MP-114 & MP-118 (Supported)
• GrandStream GXW-4104 (Supported)
• LinkSys SPA-3102
• Clipcomm CG410 (Not supported)
• GrandStream HandyTone 488 (Not supported)
• Micronet SP 5050, 5052, 5054 (Not supported)
• SIPURA SPA-3000 (Not supported)

VOIP Gateway FAQs

• How do I Connect A VegaStream Europa 50 (2 x BRI) to the Network and import the configuration?
• What is overlap dialing?
• How do I configure Patton ISDN VOIP Gateways for a Point-to-Point Connection?
• Is the Linksys SPA400 Supported?
• What Call Progress Tones should I enter for my country?
• How do I Connect A SmartNode to the Network and import the configuration?
• How do I update a Patton Smartnode to the latest firmware?

General 3CX Phone System FAQs 

• How to configure secure SIP
• How can I run 3CX Call Reporter remotely?
• What is the firewall checker and why do I need it?
• How can I check that the 3CX uninstall completely removed 3CX Phone System?
• How can I use the 3CX Tunnel with a SIP hardphone?
• How do I import the call logs in the database so that I can create Call reports?
• How do I configure a CISCO router for to allow connection to a VOIP provider?
• How to convert a Cisco 7940 from SCCP to SIP
• How do I disable the dual Ring Tone?
• Configuring Exchange Server 2007 Unified messaging with 3CX Phone System
• How can I launch a call from a web based CRM package?
• How do I disable Internet Explorer Enhanced Security Configuration for Windows Server 2008
• What is the cause of Installer error 2738, when installing 3CX?
• How does 3CX Phone System decide whether a call is internal or external?
• Is Microsoft ISA server supported as a firewall?
• How do I configure my Linksys router for 3CX Phone System?
• Why does Media Server report “binding failed”?
• Can hotels with Micros Fidelio use 3CX Phone System?
• How do I install Microsoft Fax services on Windows 2008 for 3CX?
• How do I install Microsoft Fax services on Windows 2003 for 3CX?
• How do I install the Microsoft Windows Vista fax client?
• Why does 3CX require static port mappings (Full Cone NAT)?
• How does Phone provisioning work?
• How do I create a phone provisioning template?
• How can I setup integration between 3CX and Salesforce.com?
• How can I secure phone calls using OpenVPN?
• How can I view SIP traffic with a Network Capture tool?
• How do I configure direct SIP Calls?
• What is a SIP domain and how do I configure it correctly?
• What SIP Phones can I use with 3CX Phone System?
• What phones, gateways and firmware have you tested 3CX Phone System with?
• Analyzing a SIP call
• What VOIP Gateways can I use with 3CX Phone System?
• What VOIP Providers have you tested 3CX Phone System with?
• How do I install the Microsoft Windows XP fax client?