Thank you for your reply tritch. I already found the article and Youtube video you linked. I used them both in figuring out how to get outgoing calls working.

I added the IP address you referenced into the ACL IP settings but still no incoming calls.

My UniFi phone is listed in the VOIPo VPanel under connected devices but it shows: Received:N/A

I tried to add a picture of my UniFi control panel but this forum won't allow me to add any images