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Required Network Ports / IP Addresses

For FrontSpin’s VOIP calls to function properly, the following Network Ports / IP Addresses are required:

Outbound connections: TCP/443, TCP/80, TCP/3478, UDP/3478

UDP/16384 to UDP/32768

The ports above need to be open for each of the media server IPs listed below.

SIP messages are transported by the WebSocket using TCP/443

FrontSpin’s media server IP addresses and their locations that need to be whitelisted:

75.126.21.98 – Dallas, TX – USA

75.126.64.181 – Dallas, TX 2 – 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

169.54.48.140 – Washington, DC – USA

169.50.214.24 – London, UK

Updated on August 7, 2019

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