Installation guide

MyPBX U300 Administrator's Guide
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Figure G-18 Add VOIP Trunk IP in Whitelist
Step6. Add a firewall rule to accept the remote access of HTTP port. For
example, if the remote access IP is 110.5.14.6, and the port is 80, the
configuration could be as below.
Name: RemoteHTTP
Protocol: TCP
Port: 80:80
IP: 110.5.14.6/255.255.255.255
Action: Accept
Figure G-19 Add Remote Access IP in Whitelist
Step 7. Add a firewall rule to accept remote access of SSH port. For example: if
the remote access IP is 110.5.14.6 and the port is 8022.