Below are a number of links to documentation of PBX in PDF format.

Overviews:
- A one page summary of the ConcordiaxPBX.
- A detailed description of the Concordiax PBX.
- Description of PBX-Management, a reseller tool.
- Hardware and network requirements overview.

Case Studies
- A Concordiax and A2Billing implementation in a holiday home park. - A Concordiax PBX deployment 12 months on.