3CX Phone System Commercial & Free editions support page

Manuals
Many questions are covered in the manual.

Forums
User to user support is available on the 3CX forums.

Contacting 3CX support
3CX provides email support and live chat to 3CX Partners and customers with a paid support package only. Review our support procedures here and view support pricing here.

Supported VOIP providers
3CX strongly recommends using a supported VOIP provider. Please click here for a list of VOIP providers that we support.

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

SIP Phone Configuration Guides

VOIP Gateway Configuration Guides

General 3CX Phone System FAQs