Not really 100% sure what you are asking here.. do you want to move the ooma base unit somewhere so you can plug in the phone base unit somewhere else? Or do you want to plug in the ooma where the router is, or anywhere for that matter and then plug the panasonic phone base unit somewhere else?

If its the first one, you can just setup a small powerline ethernet network to move the internet signal from the router to wherever you want to put the ooma base station.

If you want to put the panasonic phone base station somewhere other than near the ooma, the ooma has to just be near ONE phone jack and then it can enable the ooma dial tone to anywhere in the house over the phone jack network. (note, it's best to have the NIC (where the phone line comes into the house) disconnected so as not to conflict with the phone line signal - which is technically always there and providing both some power and emergency dial tone.

this link should show you how to enable the other phone jacks in the house so you can put the panasonic (or other phones) base station anywhere else.

http://support.ooma.com/home/distrib...elephone-jacks

I'd note that echo is not usually an issue with the ooma dial tone. I would look for interference in the house with the panasonic cordless phones. Make sure you are running 5ghz if you have a wireless router that would be on 2.4 or 5ghz, and try to make sure the channels do not overlap.