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80 HTTP - Default port for web browser traffic
443 HTTPS - Default secure port for web browser traffic
5060 TCP/UDP Traffic - SIP signalling traffic for IP Phones
8089 TCP - Used for establishing Websocket connections.
8090 TCP - Used for establishing Websocket connections.
9002 TCP - Used for establishing WebRTC connections.
10000-20000 UDP - Port range used for media transmission through WebRTC.Traffic allowed to and from
If whitelisting traffic filtering by domain is preferred. Please allow the following
*.sharpencx.com
*.sharpen.cx
*.cx.shpn.co
*.sipvbx.com
*.fathomvoice.com
*.s3.amazonaws.com
*.yealink.com
*.ckeditor.com
If whitelisting
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by IP is necessary, the following ranges/addresses apply. *IPs subject to change.
54.148.191.0/24 | 18.214.5.180 | 35.158.26.231 | 52.15.147.167 | 52.20.148.224 | 52.77.254.206 | 54.206.39.164 | 54.209.81.22 | 54.77.58.54 | 54.91.211.210 |
54.173.127.0/24 | 18.215.76.125 | 50.112.144.88 | 52.15.76.70 | 52.66.64.126 | 52.91.230.27 | 54.208.177.217 | 54.65.54.117 | 54.77.95.125 | 54.93.180.13 |
107.20.84.56 | 35.154.184.39 | 52.14.157.193 | 52.15.86.252 | 52.66.66.61 | 54.165.169.174 | 54.208.217.176 | 54.76.26.255 | 54.84.172.227 | 54.94.245.133 |
107.23.101.107 | 35.154.209.148 | 52.14.253.217 | 52.16.3.217 | 52.74.101.155 | 54.169.184.3 | 54.208.88.191 | 54.76.35.133 | 54.85.33.54 | 13.54.48.191 |
107.23.40.94 | 35.156.15.138 | 52.14.30.147 | 52.17.4.111 | 52.74.73.150 | 54.187.125.18 | 54.209.197.93 | 54.77.168.19 | 54.85.60.149 | 52.62.8.34 |
13.236.115.208 | 3.104.84.131 | 52.62.30.18 | 52.17.219.38 | 52.17.29.105 |
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