I'm new to Epygi and ISDN. I have a secondhand Epygi Quadro ISDN unit and need to connect it to our PBX and use it as a VoIP gateway. Where can I:

1. get an Epygi QuadroISDN manual
2. check and download the latest firmware version (Australian version if such a thing exists)
3. Australian ISDN settings I need to use.

I'm used to using PC equipment (motherboards, graphics, printers, etc) sites and easily being able to find and download drivers and firmware and this is my first experience with Epygi products and must say I am under-whelmed by the lack of documentation/software seemingly available on the Epygi web site. Have I missed something obvious?