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VM.Standard.A1.Flex Blocking RTP Ports with Ubuntu Image

Accepted answer
edited Jun 1, 2022 12:31PM in Arm Compute 1 comment

We build free PBX systems called Incredible PBX for users to deploy around the world. We are featuring a new build this week specifically for the free Oracle Cloud AArch64 platform.

Everything works as expected with one exception. What works is SSH access, web access, and connection of any SIP phone. What doesn't work is audio on calls if the phone is registered to the public IP address of the instance. We provide our own IPtables firewalls for these servers which are protected by a whitelist of IP addresses for access. Same result turning off our firewall.

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