Ubiquiti Talk Telephone Adapter

It works like it’s supposed to I just wish there was a second spot so I could plug my fax into it also

I could dial out with this, but no incoming calls because the software doesn't function with CGNAT. So, for many ISPs this is not going to work. Check that you don't have CGNAT before ordering.

Nice little solution to keep my legacy B&O house phones connected. It's a little 'low-tech' without a whole bunch of extras, but it does work and seems reliable