Pretty Surprising. I have also recently encountered with a Cajun Switch models (P330,C363,P130). But no idea about these switches. it looks like the model is end of Manufacturer support in 2009.
https://downloads.avaya.com/elmodocs...P330_final.pdf
If you still wanted to try something out on the switch, this Quick Start Guide may help you to begin.
https://downloads.avaya.com/elmodocs...333TQS0200.pdf