3CX is now providing additional free training Webcasts on more advanced topics, and the next one is scheduled for Thursday 25 March 2010 at 1500hrs (GMT+1).
This will be presented via Microsoft Live …

3CX provides monthly free training Webcasts, and the next one is scheduled for Thursday 11 March 2010 at 1500hrs (GMT+1).
This will be presented via Microsoft Live Meeting using its built-in VoIP …

Advanced Webcast on Phone Provisioning and 3CX Assistant 9 February 2010 at 1500hrs (GMT+1)

3CX provides monthly free training Webcasts, and the next one is scheduled for Thursday 11 February 2010 at 1500hrs (GMT+1).
This will be presented via Webex using its built-in VoIP for audio – so there …

3CX provides monthly free training Webcasts, and the next one is scheduled for Thursday 14 January 2010 at 1500hrs (GMT+1).
This will be presented via Webex using its built-in VoIP for audio – so there …

3CX provides monthly free training Webcasts, and the next one is scheduled for Thursday 10 December 2009 at 1500hrs (GMT+1).
This will be presented via Webex using its built-in VoIP for audio – so there …

3CX provides monthly free training Webcasts, and the next one is scheduled for Thursday 26 November 2009 at 1500hrs (GMT+1).
This will be presented via Webex using its built-in VoIP for audio – so there …

The following is a complete list of ports that 3CX PhoneSystem uses in a default installation scenario:

TCP:80
…
If 3CX is installed for IIS, this is the default port number to reach the 3CX Management Console (http://<ip_of_pbx>/management) …

3CX provides monthly free training Webcasts, and the next one is scheduled for Thursday 12 November 2009 at 1500hrs (GMT+1).
This will be presented via Webex using its built-in VoIP for audio – so …

Introduction
The 3CX Firewall Checker checks whether the ports needed to communicate with your VOIP provider are open and properly configured with STATIC Port mapping. If the firewall checker does not complete successfully, you will not …

You can download the stand-alone SIP Proxy Manager from here: http://www.3cx.com/downloads/3CXSIPProxyManager8.msi. IMPORTANT: Use the above link with 3CX Phone System version 8.0.9908 or higher.  Use this one for For Version 7 of the 3CX Phone …

Introduction
3CX Phone System frequently communicates across LANs and establishes calls between devices (softphones, hardphones, gateways, VoIP providers, and PBX bridges) which are located on different networks. The PBX communicates both with devices that are inside …

The issues with Microsoft ISA server 2004 and 2006
Unlike most professional firewalls, Microsoft ISA server is not able to do static port mapping. Without static port mapping it is not possible to reliably connect to …

During set-up you are prompted to enter the FQDN of the phone system server OR the SIP domain. This SIP domain is used if you wish to use Direct SIP calls (more info here), but …

Please note that this information does NOT apply to V8. For V8, please go to this link: http://wiki.3cx.com/documentation/fax-1/receiving-faxes-from-voip-providers
For those of you who have been dreaming about the possibility of receiving a Fax over a VoIP …