Problems After Migration for new Provider

[bferreiraIT]

Hello,

I have recently migrated my 3cx central which was on V18 to V20 and to a new provider, contabo - VPS, Debian 12, by restore, I was careful to change ports 80 -> 5000 and 443 -> 5001.
The restore apparently went normally.

Then some problems were detected,

The firewall test always fails:

testing 3CX PhoneSystem Media Server... failed
testing ports [9000..9398]... failed (How to resolve?)
testing port 9000... not reachable (How to resolve?)

Contabo says it doesn't block any traffic.

The physical telephones also started having problems, even after reconfiguring all of them, when you call an extension, the 3CX central identifies it correctly, but the phone that rings is a different one!!!

Can you help?

Thanks

 

[bferreiraIT]

Hi,
After testing, I've concluded that the port blockage can only originate from contabo.

I migrated the 3cx server to another provider and everything was fine.

In order to pass the firewall test, I had to change port 9000 to 9002 and 9001 to 9003. In practice, I had to configure the start of port 9000 on port 9002.

Thanks.