Required Network Ports / IP Addresses

For FrontSpin’s VoIP telephony to function properly, certain Network Ports / IP Addresses are required. If any of these are blocked on your network, it can result in call quality and performance issues. 

The following FrontSpin media server IPs need to be whitelisted on your network: 
75.126.21.98 – Dallas, TX – USA
75.126.64.181 – Dallas, TX 2 – USA
52.117.196.231 – Dallas, TX 3 – USA
52.117.196.226 – Dallas, TX 4 – USA
52.117.52.254 – Dallas, TX 5 – USA
52.117.52.245 – Dallas, TX 6 – USA
52.117.52.249 – Dallas, TX 7 – USA
169.44.168.213 – San Jose, CA 1 – USA
169.44.168.214 – San Jose, CA 2 – USA
169.62.104.138 – San Jose, CA 3 – USA
50.22.177.178 – Seattle, WA – USA
50.22.177.184 – Seattle, WA 2 – USA
50.22.177.185 – Seattle, WA 3 – USA
50.22.177.180 – Seattle, WA 4 – USA
50.22.177.179 – Seattle, WA 5 – USA
50.22.177.186 – Seattle, WA 6 – USA
50.22.177.182 – Seattle, WA 7 – USA
169.54.48.140 – Washington, DC 1 – USA
169.54.48.150 – Washington, DC 2 – USA
169.54.48.148 – Washington, DC 3 – USA
169.54.48.144 – Washington, DC 4 – USA
169.54.48.154 – Washington, DC 5 – USA
169.54.48.134 – Washington, DC 6 – USA
169.54.48.137 – Washington, DC 7 – USA
169.50.214.24 – London
The following ports need to be open for each of the media server IPs listed above:
Outbound connections: TCP/443, TCP/80, TCP/3478, UDP/3478
UDP/16384 to UDP/32768
SIP messages are transported by the WebSocket using TCP/443.

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