I finally got my Optimus V working with free voice calls over WiFi (VoIP) using Groove IP for outbound and Google Voice for inbound. This Android works inside my house now. But when I took it to Panera Bread company, I was not able to connect there due to the error to the effect: "Cannot connect; you must open port 5222".
How do I open this port?
How do I open this port?