• VOIP is only one way. Please help me on firewall rules especially NAT.

    Hi Guys, I have a working PBX system (Alcatel) inside my SG450. Here is the connection. Static routing between SG450 and core switch. VOIP is on 172.16.16.0/24 subnet. SG450 >> Core Switch >> VOIP Server.. 172.16.2.2/30 >> 172.16.2.1/30 >> 172…
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