For FreePBX 17, does anyone have a comprehensive list of default required firewall ports TCP/UDP, Inbound/Outbound for FreePBX external sip trunk calls to work correctly? Does the RTP media ports need to be kept default? reason I ask is because I currently have a different SIP PBX system that I’m s…

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Firewall Ports TCP/UDP FreePBX 17

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kingarthur (King Arthur) June 11, 2025, 12:12pm 2