ip addresses

  1. IP Addresses to whitelist for Firewall Check

    I have a client who wishes to lock down their firewall and restrict access to 3CX. I need to be able to complete the firewall check, so was wondering if there is a list of IP addresses I can whitelist? When I run the firewall check, at the start it says: resolving 'stun-au.3cx.com'... done...
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