PBX internet access drops periodically

Hello,
I am running FreePBX 14.0.5.25 with around 40 extensions. All except 5 extensions are internal, the others are remote phones (all at the same IP address). Responsive firewall is running and has worked fine.

It has worked fine for about 3 months but for the past couple of days, the remote phones have dropped every few minutes. During this period the box has been totally inaccessible to the internet - except the IAX2 trunks to the provider stay active and the VPN connection already established (which we use to remotely support the system) works fine.

fpbx-vd-08012019

This is what the extensions are doing.

Where do I even start to diagnose this?!

Tell us more. Architecture information, router information, firewall stuff, etc. I don’t even have a theory ye, but that doesn’t mean we can’t figure this out.

Hi Dave,
Thankfully got it sorted - turns out the remote phones were connecting to the PBX via a DDNS hostname which was being accidentally updated with another IP address on another site.

Human error!!

Cheers

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