Polycom vvx410 Remote config NOT USING SBC

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Mike.Bennett

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Hello, hope someone can help with my issue.

Setup:
1 self hosted 3cx standard instance version 16.0.655
1 remote (at home) polycom vvx410 running version 5.9.6.2327
1 remote router/firewall with forwarded ports 5065 and 14000-14048

I've got the phone to provision using the provisioning link - good
I can call out - good
I can't accept incoming calls - bad.

I assume this something firewall related, can anyone help.
I don't have the ability to run an SBC at home.
I've used the 3cx template for a vvx411 and edited the "Local RTP Audio Ports Start" and "Local RTP Audio Ports End" to match the polycoms "(Port Range Start + 47) for voice-only phones"
 
Done it...all working! The answer was in the transport type used for the line setup in the phones web interface. all working fine now!
 
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