I have been having issues again. I can connect to the second pc on th e first instance but if i lose then re-establish connection to the WiFi i can no longer see the second pc/user on jami(no circle) and the caller has a red circle. Both PCs are the same make and model, i restored the windows 10 OS on both and installed jami on both. I was able to make a call hang up and call again. To mimic loss of wifi i restarted the router, once connection was made to the WiFi i was unable to call the other PC, red circle caller.
Upnp, turn and stun are off. Local peer discovery on. Both accounts have no names just the character strings. I intend for the PC to be mobile so loss of WiFi may occur.