Wiring landline over Cat6 cabling from ONT

This is probably a real noob question, but i need advice on wiring my landline in my house from my ONT.

The house is a new build with CAT6 and RJ45 ports in most rooms wired back to a DYNAMIX patch panel that is next to the ONT and Spark modem.

I want to connect the landline through to one of the ports in the house wired with CAT6.

Is this possible?

Thanks in advance for the advice