If you are in an environment where strict firewall rules are in place (Corporate Wi-Fi, Academic Wi-Fi networks, etc.) and Fongo Mobile is not connecting or functioning correctly, please pass this FAQ on to your Network Administrator.
The following incoming and outgoing ports are required for Fongo Mobile to function correctly:
TCP/UDP: 4000, 5060, 5080, 5061, 5062, 6060
TCP: 80 (HTTP), 443 (HTTPS)